Relevant bibliographies by topics / Macroinvertebrates

Academic literature on the topic 'Macroinvertebrates'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 June 2024

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Journal articles on the topic "Macroinvertebrates"

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Samuelsson, Evelin, and Angelo Gilberto Manzatto. "ANÁLISE CIENTOMÉTRICA DE PESQUISA MUNDIAL SOBRE MACROINVERTEBRADOS AQUÁTICOS NO BANCO DE DADOS DA WEB OF SCIENCE ENTRE 1947 E 2022." Revista Científica FAEMA 14, no. 2 (August 25, 2023): 273–93. http://dx.doi.org/10.31072/rcf.v14i2.1335.

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O estudo teve como objetivo analisar as tendências mundiais nos estudos relacionados a macroinvertebrados aquáticos através dos instrumentos da Cientometria. O estudo cientométrico foi conduzido no portal Web of Science, com acesso ao conteúdo integral, utilizando a busca booleana com as seguintes combinações de palavras: “aquatic macroinvertebrates” OR “aquatic macroinvertebrate” OR “aquatic insects” OR “aquatic insect” OR “benthic macroinvertebrates” OR “benthic macroinvertebrate” OR “benthic community” OR “benthic communities”. A busca resultou em n=17.997 trabalhos científicos, cujo tema estava relacionado ao estudo de macroinvertebrados aquáticos, em um recorte temporal de 75 anos. Verificou-se que a produção científica relacionada aos macroinvertebrados aquáticos aumentou no decorrer dos anos de 1947 a 2022, apresentando correlação positiva entre o número de estudos e o ano de publicação (R=0,84). A análise identificou publicações em 182 países, sendo que, 58.89% dos estudos foram realizados no Estados Unidos da América (EUA), Canadá, Brasil, Alemanha e Espanha. As pesquisas se concentraram principalmente na área de Environmental Sciences Ecology. Foi possível concluir que há uma tendência para a continuidade e o aumento da produção científica relacionada aos macroinvertebrados aquáticos em nível global, os quais os países, pesquisadores e instituições que mais publicam são aquelas que o incentivo e as redes de cooperação entre autores são mais fortes.
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Robichaud, Lisa, Philippe Archambault, Gaston Desrosiers, and Christopher W. McKindsey. "Influence of Suspended Mussel Aquaculture and an Associated Invasive Ascidian on Benthic Macroinvertebrate Communities." Water 14, no. 17 (September 3, 2022): 2751. http://dx.doi.org/10.3390/w14172751.

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Many benthic macroinvertebrates are associated with cultured bivalves but are normally excluded from studies on the environmental effects of bivalve aquacultures. We evaluated the hypothesis that mussel aquaculture increases overall “benthic” macroinvertebrate productivity by considering both sediment- and mussel sock-associated macroinvertebrates. It was predicted that the presence of the invasive ascidian Styela clava would increase this effect by increasing the mussel sock’s biogenic structure. Macroinvertebrates in sediments and on mussel socks were sampled in eight bays on Prince Edward Island, Canada: three were invaded by Styela clava and there were five where it was absent. Infaunal macroinvertebrates associated with benthic sediments (sediment macroinvertebrates) within leases were less abundant relative to the control locations outside of leases and showed a trend towards decreased biomass and productivity. Abundance of mussel sock-associated macroinvertebrates was greater in bays with S. clava than in bays without it. When sediment and mussel sock macroinvertebrates were considered together as “benthic” communities within mussel leases and compared to sediment macroinvertebrate communities outside of leases, “benthic” macroinvertebrate abundance, biomass, and productivity were greater inside mussel leases than in areas outside of them. The presence of S. clava did not influence this trend. Although the ecological role of the macroinvertebrates associated with suspended mussels is likely not equivalent to those associated with benthic sediments, the presence of macroinvertebrates on suspended mussels, in some measure, offsets the impacts on the abundance, biomass, and productivity of macroinvertebrate communities at the farm-scale.
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Muli, Anita, Teck Yee Ling, Siong-Fong Sim, and Jongkar Grinang. "Macroinvertebrates of the Tributaries of Upper Baleh River, Sarawak." Borneo Journal of Resource Science and Technology 9, no. 1 (June 30, 2019): 26–35. http://dx.doi.org/10.33736/bjrst.1582.2019.

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Studies on Baleh River with respect to aquatic fauna currently remains limited. Hence, this paper presents thespecies richness and composition of macroinvertebrates14 tributaries of Upper Baleh River in Kapit Division,Sarawak. A total of 1,154 individuals from 10 orders, 43 families and 66 genera of macroinvertebrates werecollected. The highest number of macroinvertebrate was taken from Naah River (201 individuals) and the leastfrom Ukit River (15 individuals). The order Ephemeroptera was the most abundant, with 45% of the totalindividuals caught, followed by Trichoptera (23%), Hemiptera (10%), and Coleoptera (9%). Three biologicalindices were used to measure the diversity of macroinvertebrate of which the values of the indices were low:Shannon diversity index (1.54–2.54), Shannon evenness index (0.33–0.89) and Margalef richness index (1.67–4.90). The composition of functional feeding groups varies between first and fourth order streams, which ispossibly an indication of ecological effects of siltation due to logging activities in the area.
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McKie, B. G. L., and P. S. Cranston. "Keystone coleopterans? Colonization by wood-feeding elmids of experimentally immersed woods in south-eastern Australia." Marine and Freshwater Research 49, no. 1 (1998): 79. http://dx.doi.org/10.1071/mf97086.

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Macroinvertebrates on immersed woods in streams in montane south-eastern Australia respond to differences in wood taxa, according to a 4-month colonization study of experimentally positioned sticks. Xylophagous elmids (Coleoptera : Elmidae) strongly preferred local native Eucalyptus over other types of wood including non-native softer timbers (Pinus and Alnus). Where gouging elmids were abundant (in native forest streams with native riparian vegetation), immersed Eucalyptus wood supported high abundances of other macroinvertebrates; in their absence (in open grassland streams), Eucalyptus supported few other macroinvertebrates. Macroinvertebrate-gouged channels were present disproportionately on Eucalyptus sticks relative to other wood species. It is proposed that xylophagous elmid beetles are the principal macroinvertebrate modifiers of wood in these south-eastern Australian streams, where their gouging of channels increases surface area, thereby facilitating colonization by other macroinvertebrates and wood-decaying microorganisms and fungi.
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Casey, Jordan M., Marie E. Wilson, Nicholas Hollingshead, and David G. Haskell. "The Effects of Exurbanization on Bird and Macroinvertebrate Communities in Deciduous Forests on the Cumberland Plateau, Tennessee." International Journal of Ecology 2009 (2009): 1–10. http://dx.doi.org/10.1155/2009/539417.

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To investigate the potential causes of changes to bird communities in exurban areas, we examined the relationship between bird and macroinvertebrate communities in exurbanized forest. We randomly located sampling points across a gradient of exurbanization. We used point counts to quantify bird communities and sweep netting, soil cores, pitfalls, and frass collectors to quantify macroinvertebrates. Bird communities had higher richness and abundance in exurban areas compared to undeveloped forests, and lost some species of conservation concern but gained others. The macroinvertebrate community was slightly more abundant in exurban areas, with a slight shift in taxonomic composition. The abundance of macroinvertebrates in soil cores (but not pitfalls) predicted the abundance of ground-foraging birds. The abundance of macroinvertebrates in sweep nets was not associated with the abundance of aerial insectivore birds. Exurbanization therefore appears to change bird and macroinvertebrate communities, but to a lesser extent than agricultural forest fragmentation or intensive urbanization.
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Germ, Mateja, Žiga Tertinek, and Igor Zelnik. "Diversity of Macrophytes and Macroinvertebrates in Different Types of Standing Waters in the Drava Field." Water 16, no. 8 (April 16, 2024): 1130. http://dx.doi.org/10.3390/w16081130.

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The diversity of macrophytes and macroinvertebrates in small standing waters of different origins and characteristics was investigated. This survey covered 19 ponds in the Drava field in northeastern Slovenia. The influence of the macrophytes on the macroinvertebrates was investigated and the main environmental factors that had the most significant influence on the composition of the two communities were identified. Sixty-seven taxa of macrophytes and seventy-three families of macroinvertebrates were identified. We found that a diverse macrophyte community has a positive effect on the macroinvertebrate community. In contrast, the dominance of a single macrophyte species has a strong negative influence on the richness of the macroinvertebrate community. The taxonomic richness and abundance of the macroinvertebrate community in the natural ponds was statistically significantly higher than that in artificial ponds. The significant differences in the environmental characteristics between the natural and artificial ponds, such as the macrophyte cover, conductivity, and riparian zone width, may account for these differences. Our study suggests that a greater diversity of macrophyte and macroinvertebrate communities in natural ponds is enabled by abundant but diverse macrophyte cover, low phosphorus content, and wide riparian zones, which require appropriate management of ponds and their catchments.
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Luo, Zhi Wen, and Wen Yan Wu. "A Study on the Tolerance Value and Biodiversity of Benthic Macroinvertebrates." Applied Mechanics and Materials 513-517 (February 2014): 3283–86. http://dx.doi.org/10.4028/www.scientific.net/amm.513-517.3283.

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Macroinvertebrates are important components of stream ecosystems. A field experiment was conducted to study the effects of substrate particle size, shape, and roughness on the composition and biodiversity of macroinvertebrates. The results show that the particle sizes, porosity, and interstial dimensions of the substrate affect the macroinvertebrate community, while the shape and surface roughness of the substrate do not strongly affect the macrobenthos composition and density. The macroinvertebrate composition in gravel is stable. The density and species richness in the gravels, leaf humus and are much higher than those in the black silt and sands.
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Carew, M. E., S. J. Nichols, J. Batovska, R. St Clair, N. P. Murphy, M. J. Blacket, and M. E. Shackleton. "A DNA barcode database of Australia’s freshwater macroinvertebrate fauna." Marine and Freshwater Research 68, no. 10 (2017): 1788. http://dx.doi.org/10.1071/mf16304.

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Macroinvertebrates are widely used for monitoring freshwater ecosystems. In most monitoring programs, identifications take substantial time and expense. Methods that improve the speed, accuracy and cost-effectiveness of macroinvertebrate identification would benefit such programs. Increasingly, DNA barcodes are being used to provide accurate species-level identifications and have the potential to change how macroinvertebrates are routinely identified. Herein we discuss the need for DNA barcodes of freshwater macroinvertebrates with particular reference to Australia. We examine the use of DNA barcodes for species identification and compare DNA barcoding efforts of macroinvertebrates from Australia with those globally. We consider the role of high-throughput sequencing of DNA barcodes in freshwater bioassessment and its potential use in biosurveillance. Finally, we outline a strategy for developing a comprehensive national DNA barcode database for Australian freshwater macroinvertebrates and present the initial efforts in creating this database.
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Hughes, Robert M., Alan T. Herlihy, Randy Comeleo, David V. Peck, Richard M. Mitchell, and Steven G. Paulsen. "Patterns in and predictors of stream and river macroinvertebrate genera and fish species richness across the conterminous USA." Knowledge & Management of Aquatic Ecosystems, no. 424 (2023): 19. http://dx.doi.org/10.1051/kmae/2023014.

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Both native and non-native taxa richness patterns are useful for evaluating areas of greatest conservation concern. To determine those patterns, we analyzed fish and macroinvertebrate taxa richness data obtained at 3475 sites collected by the USEPA's National Rivers and Streams Assessment. We also determined which natural and anthropogenic variables best explained patterns in regional richness. Macroinvertebrate and fish richness increased with the number of sites sampled per region. Therefore, we determined residual taxa richness from the deviation of observed richness from predicted richness given the number of sites per region. Regional richness markedly exceeded average site richness for both macroinvertebrates and fish. Predictors of macroinvertebrate-genus and fish-species residual-regional richness differed. Air temperature was an important predictor in both cases but was positive for fish and negative for macroinvertebrates. Both natural and land use variables were significant predictors of regional richness. This study is the first to determine mean site and regional richness of both fish and aquatic macroinvertebrates across the conterminous USA, and the key anthropogenic drivers of regional richness. Thus, it offers important insights into regional USA biodiversity hotspots.
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Chi, Shiyun, Jun Hu, Ming Li, and Chenyan Wan. "What Are the Relationships between Plankton and Macroinvertebrates in Reservoir Systems?" Water 15, no. 15 (July 25, 2023): 2682. http://dx.doi.org/10.3390/w15152682.

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Macroinvertebrates and plankton play crucial roles in reservoir food webs; however, their relationships have received limited attention. This study investigates the associations between plankton and macroinvertebrates in fifty selected reservoirs. During the spring season, significant concordances were observed in species richness between phytoplankton and zooplankton, as well as between zooplankton and macroinvertebrates. In contrast, during the summer season, the concordance in species richness between phytoplankton and macroinvertebrates was higher compared to other assemblages. Although macroinvertebrates showed a strong connection with phytoplankton in terms of species richness in both seasons, the congruencies were not statistically significant. Partial least squares regression (PLSR) analysis revealed that the densities of phytoplankton, Chlorophyta, Cyanophyta, and protozoans significantly influenced the total macroinvertebrate density in both seasons. Additionally, the densities of mollusks and aquatic insects were affected by the densities of Chlorophyta and Cyanophyta, while the density of oligochaetes was influenced by the density of Chlorophyta. These findings indicated that phytoplankton and zooplankton serve as primary food sources for macroinvertebrates, highlighting the close relationship between plankton and macroinvertebrates in reservoir systems. Moreover, the results of formative measurement models indicated a strong association between zooplankton and macroinvertebrates during the spring, whereas phytoplankton and macroinvertebrates exhibited a close association during the summer. The substantial concordance in density between phytoplankton and zooplankton revealed by the formative measurement models confirmed that assemblages with similar body sizes exhibit stronger concordance compared to those with significant differences in body size.
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Dissertations / Theses on the topic "Macroinvertebrates"

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Possetti, Rafaela Bermudez. "Avaliação do impacto da estação de tratamento de esgoto (ETE) do município de Araraquara - SP, no manancial Ribeirão das Cruzes, pela utilização dos macroinvertebrados aquáticos como bioindicadores." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/18/18138/tde-11052016-112455/.

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Os recursos hídricos são de grande importância para a vida, já que fazem parte dos processos metabólicos dos seres vivos. No decorrer dos anos, o aumento da atividade humana e seus consequentes impactos tem acarretado maior preocupação com a conservação destes recursos. Para que haja consumo de água pelos seres humanos, há a necessidade do tratamento da mesma, retirando-se as impurezas, deixando-a potável. Assim, os efluentes provenientes das atividades humanas, especialmente dos esgotos domésticos, devem ser tratados com precaução antes de serem lançados no corpo receptor diminuindo, de tal modo, a possibilidade de impactos ambientais. Nos ecossistemas aquáticos, os macroinvertebrados aquáticos têm sido utilizados nos últimos anos como ferramenta para avaliações da qualidade ambiental. Sabendo-se da problemática ocasionada pelo despejo de efluentes domésticos em rios e córregos, este trabalho apresenta como objetivo estudar a comunidade de macroinvertebrados do Ribeirão das Cruzes nas áreas à montante e à jusante do recebimento dos efluentes do sistema de tratamento de esgoto do Município de Araraquara. Os macroinvertebrados foram coletados em duas épocas do ano em quatro pontos distintos, utilizando-se rede em \"D\" pelo método de varredura. Juntamente à coleta, foram tomadas medidas in loco do teor de oxigênio dissolvido, pH, condutividade elétrica, temperatura da água, sedimento para determinação do teor de matéria orgânica e água para análise de fósforo e nitrogênio total. Os organismos foram identificados até o nível de família exceto Chironomidae identificados até gêneros ou espécie para posterior aplicação de índices bióticos e comunitários. Os resultados apontam que houve alteração na estrutura comunitária e diminuição na riqueza de macroinvertebrados aquáticos, após a ETE (estação de tratamento de esgoto) de Araraquara. A presença exclusiva do gênero Chironomus no ponto após a ETE aponta para um elevado impacto ambiental.
The hydric resources are essential to life, since they are part of the metabolic processes in living organisms. Along the years, as human activity has increased and its consequent impacts have caused a high concern in order to preserve such resources. In order to have water consumption by humans, it needs to be treated, making it potable. Thus, effluents that originate in human activities - especially domestic sewage - must be treated before being released to the receiving water body, reducing the possibility of environmental impact. In aquatic ecosystems, macroinvertebrates are being used along the last years as a tool to evaluate environmental quality. Once known the problem caused by the release of domestic effluents in rivers and streams, the present project aims to study the macroinvertebrates community within the Cruzes stream, upstream and downstream the area of wastewater treatment effluents from Araraquara municipality. The macroinvertebrates were collected in two seasons of the year at four different points, using network \"D\" by kick sampling method. Along the collection, steps were taken in place of the dissolved oxygen content, pH, electrical conductivity, water temperature, sediment to determine the content of organic matter and water for phosphorus and total nitrogen analysis. The organisms were identified at family level except Chironomidae identified to genera or species for subsequent application of biotic and community levels. The results show that there were changes in the community structure and a decrease in the richness of aquatic macroinvertebrates after the ETE (Treatment Sewage Station) in Araraquara. The exclusive presence Chironomus genre at the point after ETE points to a high environmental impact.
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Pinder, Adrian. "Ecology of macroinvertebrates in seasonal wetlands." Thesis, Pinder, Adrian (1986) Ecology of macroinvertebrates in seasonal wetlands. Honours thesis, Murdoch University, 1986. https://researchrepository.murdoch.edu.au/id/eprint/41489/.

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Two seasonal lakes on the Swan Coastal Plain, Western Australia - Forrestdale Lake and Thomsons Lake - were sampled for macroinvertebrates over a period of six months. Three sites were chosen at each lake along a 500m transect from the fringing vegetation to the lake centres. The lakes were sampled when dry to determine which, if any, macroinvertbrates remained in the exposed sediments during the dry phase. The lakes began to fill in May, and sampling was carried out at flooded sites in May, June and July. Between June and August the water was sampled for nutrients (nitrogen and phosphorus), chlorophyll a, pH and conductivity. Organic content was measured in all samples of the sediments. The water chemistry and organic content measurements revealed that both of the lakes were freshwater and meso-eutrophic. Altogether 78 taxa of macroinvertebrates were found, (62 species in Thomsons Lake excluding the zooplankton, and 41 in Forrestdale Lake). Thirteen species were recorded from the dry lake beds, and these and the rest of the aquatic fauna were considered to be well adapted to the seasonal cycle of drying and flooding. After flooding, species richness, density of individuals and diversity increased at most sites on each sampling occasion. Temporal differences between sites were greater than spatial differences. The class lnsecta contained the largest number of species but a crustacean group, the Ostracoda, was the most abundant in terms of numbers of individuals. Sites near the fringing vegetation were found to contain the most species and have the highest density of individuals. The two lakes appear to be very productive, in terms of species richness and density of individuals, compared to other Australian wetlands. This is probably due to the trophic status of the lakes and their seasonal nature, both of which are thought to increase lentic production.
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Béjar, Maceiras María. "Interactions between sediment transport, physical habitat and benthic communities in a mountainous river affected by natural and human disturbances." Doctoral thesis, Universitat de Lleida, 2018. http://hdl.handle.net/10803/664346.

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Aquesta tesi presenta noves idees sobre les interaccions entre processos físics (transport de sediments, cabal i hàbitat) i ecològics (comunitats bentòniques, deriva de macroinvertebrats) resultants de pertorbacions naturals (afluents, riuades) i antròpiques (extraccions d’àrids a la llera i hidro-puntes o embolades) en un riu de muntanya (tram alt del riu Cinca, vessant Sud dels Pirineus). S’analitzen processos i interaccions a múltiples escales temporals (des de l’escala instantània a l’anual) i espacials (des del nivell de partícula fins el tram fluvial). La identificació de les escales d’interacció, així com l’ús de noves tècniques de mostreig han demostrat ser rellevants per a l’estudi de la relació espècie-hàbitat i constitueixen, conseqüentment, un nou exemple d’integració eco-geomorfològica que permet millorar el coneixement dels sistemes fluvials i recolza la gestió sostenible dels ecosistemes associats.
Esta tesis doctoral analiza las interacciones entre los procesos físicos (transporte de sedimentos, caudal y hábitat) y ecológicos (comunidades bentónicas, deriva de macroinvertebrados) afectados por perturbaciones naturales (crecidas y entrada de afluentes) y antrópicas (extracción de áridos e hidropuntas) en un rio de montaña (el alto Cinca, en el sur de los Pirineos). Dichos procesos y sus interacciones se han evaluado desde una escala instantánea hasta anual, y desde la escala de partícula a la escala de tramo. La identificación de las escalas de interacción así como el uso de nuevas técnicas de muestreo han demostrado ser relevantes para el estudio de la relación especie-hábitat y constituyen, por ello, un nuevo ejemplo de integración eco-geomorfológica que contribuye al conocimiento de los sistemas fluviales y apoya la gestión sostenible de los mismos.
This doctoral thesis presents new insights on the interactions between physical (sediment transport, flow and habitat) and ecological (benthic communities, macroinvertebrate drift) processes driven by natural (tributaries, floods) and human disturbances (gravel mining and hydropeaking) in a montane river (the upper Cinca, Southern Pyrenees). The work addresses processes and interactions spanning instantaneous to annual temporal scales, and from grain to river reach scale. Identification of the key scales of interaction and the integration of sampling techniques that provide continuous and high density measurements are shown to provide sound knowledge into species-habitat relations and, in turn, a firm evidence supporting the rational assessment and sustainable management of fluvial ecosystems.
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Christman, Van D. "Ecology of benthic macroinvertebrates in experimental ponds." Diss., This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-07282008-134927/.

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Johansson, Andreas. "Effects of beaver dams on benthic macroinvertebrates." Thesis, Uppsala universitet, Institutionen för biologisk grundutbildning, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-396803.

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In the 1870's the beaver (Castor fiber), population in Sweden had been exterminated. Thebeaver was reintroduced to Sweden from the Norwegian population between 1922 and 1939.Today the population has recovered and it is estimated that the population of C. fiber in all ofEurope today ranges around 639,000 individuals. The main aim with this study was toinvestigate if there was any difference in species diversity between sites located upstream anddownstream of beaver ponds. I found no significant difference in species diversity betweenthese sites and the geographical location of the streams did not affect the species diversity.This means that in future studies it is possible to consider all streams to be replicates despiteof geographical location. The pond age and size did on the other hand affect the speciesdiversity. Young ponds had a significantly higher diversity compared to medium-aged ponds.Small ponds had a significantly higher diversity compared to medium-sized and large ponds.The upstream and downstream reaches did not differ in terms of CPOM amount but somewater chemistry variables did differ between them. For the functional feeding groups I onlyfound a difference between the sites for predators, which were more abundant downstream ofthe ponds.
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Lage, Fernanda. "Aplicação da tríade de qualidade do sedimento em análise espacial no reservatório do Guarapiranga (SP, Brasil)." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/41/41134/tde-19032014-141437/.

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Com o intuito de conhecer o histórico da comunidade bentônica no reservatório do Guarapiranga para futuro estudo sobre a influência das diferentes formas de poluição na represa sobre o zoobentos, este trabalho foi desenvolvido a fim de coletar dados históricos da fauna de fundo e se houve variação na estrutura da comunidade ou não. Foram analisados quatro trabalhos realizados no período de inverno em quatro regiões médio-profundal do reservatório (Guarapiranga, Embu-Mirim, Embu-Guaçu e Parelheiros) ao longo dos anos, 1939, 1976, 1996 e 2010. A riqueza de dados presentada nos trabalhos refletiu a evolução do conhecimento em estudos limnológicos no Brasil e no mundo. A densidade de Oligochaeta apresentou aumento ao longo dos anos, assim como a de Chaoboridae. Por outro lado, Chironomidae que apresentava 30% em 1974 é pouco representativo em 2010. O ambiente mostrou forte e crescente enriquecimento orgânico em todos os pontos ao longo dos anos e isso colaborou para uma maior diversidade de grupos detritívoros (Tubificinae e Naidinae - Oligochaeta), por exemplo. Os níveis de oxigênio dissolvido no fundo diminuíram ao longo dos anos em todos as regiões. Chama-se a atenção para a necessidade de biomonitoramento nas 4 regiões da represa, utilizando inclusive os macroinvertebrados bentônicos e análises físicas e químicas do sedimento e a adoção de uma nova forma de gerenciamento deste manancial
With the purpose to know the history of the benthic community in Guarapiranga reservoir for future study about the influence of different sources of pollution in the reservoir over zoobenthos, this study was conducted to collect historical data of benthic fauna and variation in community structure. Four studies conducted during winter in four regions of the reservoir medium-profundal (Guarapiranga, Embu-Mirim, Embu-Guaçu and Parelheiros) over the years, 1939, 1976, 1996 and 2010 were analysed. The best richness of data presented in the works reflected the evolution of knowledge in limnological studies, in Brazil and worldwide. The density of Oligochaeta had an increase over the years as well as the Chaoboridae. On the other hand, Chironomidae presented 30% in the 70\' community and was not representative anymore in 2010. The environment showed strong organic enrichment for all regions along the years, and this has contributed to a greater diversity of detritivorous groups (Tubificinae and Naidinae - Oligochaeta), for example. The dissolved oxygen levels at the bottom declined over the years in all regions. Attention is called to the necessity of biomonitoring in 4 regions of the reservoir, using benthic macroinvertebrates and physical and chemical sediment analyses and the adoption of a new way of managing this system
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Faísca, Pedro Miguel Portela. "Comparison of organic matter decomposition between natural and artificial ponds." Master's thesis, Universidade de Évora, 2019. http://hdl.handle.net/10174/24405.

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Litter decomposition is a key ecosystem service within aquatic ecosystems and is a complex process that is sensitive to environmental factors. The role of microbial and macrofaunal decomposers, and how it changes across environmental gradients is not yet fully understood. Decomposition was assessed across 6 biogeographical regions to determine the role of macroinvertebrates in this ecosystem service. Decomposition was estimated using standardized cotton strips, which were deployed in the mesocosms of each region. The role of macroinvertebrates was tested with an exclusion experiment which allowed or prevented the access of macroinvertebrates to cotton strips, a similar experiment was also conducted in natural ponds. After 64 days the cotton strips were collected, and mass loss and tensile strength were measured. There were significant differences in the rate of decomposition across different regions and no differences were found between systems. Macroinvertebrates played an important role, with gatherers being major players; Resumo: A decomposição é um serviço de ecossistema chave e um processo complexo sensível a factores ambientais. O papel de decompositores microbianos e da macrofauna, e como este papel muda num gradiente ambiental não é completamente entendido. A decomposição foi avaliada em 6 zonas biogeográficas para determinar o papel de macroinvertebrados neste serviço de ecossistema. A decomposição foi estimada utilizando tiras de algodão, colocadas em mesocosmos nas diferentes regiões. O papel dos macroinvertebrados foi testado através de uma experiência de exclusão que permitia ou impedia o acesso de macroinvertebrados às tiras, uma experiência semelhante foi realizada em charcos naturais. Ao fim de 64 dias, as tiras de algodão foram recolhidas e a perda de massa e tensão foram quantificadas. Encontraram-se diferenças significativas na decomposição entre as diferentes regiões, mas não se observaram diferenças entre sistemas. Os macroinvertebrados têm um papel importante neste serviço de ecossistema, sendo as espécies colectoras as mais importantes
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Mendoza, Barberá Guillermo de. "Lake macroinvertebrates and the altitudinal gradient in the Pyrenees / Los macroinvertebrados lacustres y el gradiente altitudinal en los Pirineos." Doctoral thesis, Universitat de Barcelona, 2013. http://hdl.handle.net/10803/120427.

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“Lake macroinvertebrates and the altitudinal gradient in the Pyrenees [Los macroinvertebrados lacustres y el gradiente altitudinal en los Pirineos]” is a thesis about freshwater macroinvertebrate communities inhabitting the littoral zone of the mountain lakes of the Pyrenees, and about the effect of altitude on the species composition, and richness, of these communities. The investigation is addressed by analysing the relative relevance of the environmental and spatial components of the altitudinal gradient on macroinvertebrate communities. This is performed by comparing different macroinvertebrate groups, which attain for different evolutionary histories and ecological idiosyncrasies, including different dispersal capabilities. The taxonomical resolution achieved in macroinvertebrate determinations is high, which allows for among-group comparisons at the species level. These comparisons can be used to test ecological theories of current usage. Mountain lakes are particularly useful to this purpose, as these ecological systems account for large environmental gradients related to altitude and, at the same time, the altitudinal ecological gradient includes spatial components that may be relevant in shaping macroinvertebrate community assemblages. The spatial component of altitude relates to the uneven distribution of lakes along altitude in mountain ranges, which implies different degrees of ecological isolation between lakes. Also, the littoral zone of mountain lakes is particularly suited for among-group comparisons because it is in the littoral zone where most freshwater macroinvertebrate biodiversity of lakes concentrates. In the Results section, the results obtained are presented first as a general overview of the distribution of main macroinvertebrate taxa across altitude. The influence of environmental variables related to altitude on distributions is explored, and the relative relevance of different environmental variables on macroinvertebrate communities is partialled out. Then, the effect of different environmental and spatial factors is analysed for each macroinvertebrate group, separately. The main taxa analysed in each of the chapters are, arranged by convenience, as follows: Oligochaeta, Chironomidae, Mollusca, Megaloptera, Trichoptera, Coleoptera, Hydracarina and Nematoda. In the Discussion section, altitudinal distributions are compared between groups, and differences observed in this regard between the main macroinvertebrate taxa are discussed. The effect of both environmental and spatial factors related to altitude is suggested. Then, species richness patterns are also compared between the main macroinvertebrate taxa. The relative contribution of environmental and spatial factors is, to some extent, disentangled. Finally, the effect of altitude on the similarity of communities is also compared between groups, de-composing this effect in environmental and spatial terms. The following conclusions are drawn from the results obtained: 1) The altitudinal distribution patterns of lake macroinvertebrates are the consequence of both the selective influence of the environment and the more stochastic nature of dispersal. 2) Environmental factors covarying with altitude are not equally relevant for all macroinvertebrate groups. 3) Mountain lakes are biogeographic islands. 4) Similarity between communities is slightly higher, and stochasticity slightly lower, at mid altitudes. 5) The stochastic influence of environmental dynamics also contributes to explain species richness patterns. 6) Large river basins do not play a relevant role in the similarity of communities, which is more dependent on the altitudinal location of lakes. 7) An altitudinal ecological threshold in community assemblages occurs at ca. 2550 m a.s.l., for all groups responding to environmental changes across altitude, but independently of their dispersal strategy. 8) The altitudinal threshold, because of its environmental nature, is expected to shift upwards under current climate warming. 9) Global changes will affect macroinvertebrate communities of mountain lakes through different components, including climate warming, habitat loss and fragmentation, and invasive species, which may also show mutual interactions.
“Lake macroinvertebrates and the altitudinal gradient in the Pyrenees [Los macroinvertebrados lacustres y el gradiente altitudinal en los Pirineos]” es una tesis sobre las comunidades de macroinvertebrados acuáticos que habitan la zona litoral de los lagos de montaña de los Pirineos, y sobre el efecto de la altitud en la composición y riqueza de especies de estas comunidades. La investigación se efectúa analizando la importancia relativa de los componentes ambientales y espaciales del gradiente altitudinal sobre las comunidades de macroinvertebrados. Para ello, se comparan diferentes grupos de macroinvertebrados, de distinta idiosincrasia ecológica, incluyendo diferencias en cuanto a capacidad de dispersión. La resolución taxonómica con la que se analizan los datos es elevada, lo cual permite comparaciones entre grupos a nivel de especie, útiles para contrastar teorías ecológicas de uso actual. Las conclusiones de la tesis son las siguientes: 1) Los patrones de distribución altitudinal de los macroinvertebrados lacustres son consecuencia tanto de la influencia selectiva del ambiente, como de la dispersión, un proceso de naturaleza más estocástica. 2) Los distintos factores ambientales que covarían con la altitud no son igualmente relevantes para todos los grupos de macroinvertebrados. 3) Los lagos de montaña son islas biogeográficas. 4) La similaridad entre las comunidades es ligeramente mayor, y la estocasticidad en el ensamblaje de las mismas ligeramente menor, en altitudes intermedias. 5) La influencia de la dinámica estocástica del ambiente también contribuye a explicar los patrones de riqueza de especies. 6) Las cuencas de los ríos principales no juegan un papel relevante en la similaridad de las comunidades, que es más dependiente de la altitud de los lagos. 7) Existe un umbral ecológico para las comunidades de macro-invertebrados, situado a una altitud aproximada de 2550 m, que afecta a todos los grupos que responden a los cambios ambientales asociados a la altitud, pero con independencia de su estrategia de dispersión. 8) El umbral altitudinal, debido a su naturaleza ambiental, posiblemente se desplazará hacia arriba en altitud con el cambio climático actual. 9) El cambio global afectará a las comunidades de macroinvertebrados de los lagos de montaña a través de varios de sus componentes, incluyendo cambio climático, pérdida y fragmentación de hábitat, y especies invasoras, los cuales pueden mostrar también efectos de interacción mutua.
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Garey, Andrew L. "The Effects of Hydropeaking on Lotic Benthic Macroinvertebrate Assemblages." VCU Scholars Compass, 2015. http://scholarscompass.vcu.edu/etd/4057.

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The term hydropeaking refers to anthropogenically induced, short-duration, high-magnitude discharge pulses that are generated in lotic systems for electricity production. The practice of hydropeaking produces the largest source of renewable energy worldwide, and its use is projected to increase through the year 2040. The primary objective of this work was to evaluate the effects of hydropeaking on benthic macroinvertebrate assemblages, which are important components of lotic ecosystems. Results of this work show that, across a wide range of impacted systems worldwide, the consistently observed patterns of elevated benthic macroinvertebrate drift in response to hydropeaking pulses are primarily related to the rate at which discharge is increased (i.e., ramping rate) and secondarily to the time between pulses. In addition, it was shown that taxa inhabiting depositional habitat patches (i.e. fine substrates and slow water velocities) were most susceptible to peaking-induced drift, and that these taxa were also those most prevalent in hydropeaking-impacted systems. Collectively, these results suggest that increased pulse ramping rate and the resulting elevated macroinvertebrate drift may be positive selective forces, which benefit populations adapted for life in hydropeaking-impacted lotic ecosystems. These results provide a greater understanding of the factors that are most important for governing the effects of hydropeaking on benthic assemblages.
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Thoresson, Joakim. "Effects of a fish farm on downstream macroinvertebrates." Thesis, Umeå universitet, Institutionen för ekologi, miljö och geovetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-150565.

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The number of fish farms is increasing worldwide tomeet the global demand for fish used as a food source for humans. The WorldBank predicts that by 2030, 62 percent of all consumed fish globally will beproduced in fish farms. Due to this increasing demand for fish, fish farming isa growing business and the numbers of fish farms are increasing. Today, thereare fish farms situated in more than one hundred municipalities in rural partsof Sweden. Fish farms may besituated in hydropower plant reservoirs, which have been foundto be suitable locations for cage fish farming. However, environmental concernshave been raised regarding excess dissolved nutrients from fish farms thatmight enrich downstream ecosystems. The source of this enrichment is primarilyfish feces and uneaten fish feed, which contain both nitrogen and phosphorus. The overall objective of this study is to evaluate the effects of a largefish farm located in north-central Sweden on the downstream river ecosystem. Todo this, I compared benthic macroinvertebrate diversity, functional feedinggroup representation, community composition, and indices of biotic integritybetween a site downstream of a fish farm and a nearby (control) reach withoutan upstream fish farm. No significant difference between these sites wasobserved for any metric accept for the species richness, but due to the lowreplication results should be interpreted with caution. Further studies areneeded to assess the possible impact of fish farms on the water quality andecological health of rivers.
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Books on the topic "Macroinvertebrates"

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Moody, Mark. Austin Creek macroinvertebrates. Bellingham, Wash: Huxley College of Environmental Studies, Western Washington University, 1994.

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Scisco, Michael S. Benthic macroinvertebrates of Squalicum Creek. Bellingham, WA: Huxley College of the Environment, Western Washington University, 2003.

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M, Rosenberg David, and Resh Vincent H, eds. Freshwater biomonitoring and benthic macroinvertebrates. New York: Chapman & Hall, 1993.

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Lynn, Peckarsky Barbara, ed. Freshwater macroinvertebrates of northeastern North America. Ithaca: Comstock Pub. Associates, 1990.

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Oscoz, Javier, David Galicia, and Rafael Miranda, eds. Identification Guide of Freshwater Macroinvertebrates of Spain. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1554-7.

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Plotnikoff, R. W. Instream biological assessment monitoring protocols: Benthic macroinvertebrates. Olympia, WA: Washington Department of Ecology, 1994.

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Oscoz, Javier. Identification Guide of Freshwater Macroinvertebrates of Spain. Dordrecht: Springer Science+Business Media B.V., 2011.

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Beasley, Gary. Macroinvertebrates, heavy metals and PAHs in urban watercourses. Leeds: University of Leeds, School of Geography, 2001.

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Guide to British freshwater macroinvertebrates for biotic assessment. Ambleside, Cumbria [England]: Freshwater Biological, 2011.

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Adams, Jeffrey W. Macroinvertebrates of the Pacific Northwest: A field guide. Portland, Or: Xerces Society, 2003.

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Book chapters on the topic "Macroinvertebrates"

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Lathrop, Richard C. "Benthic Macroinvertebrates." In Food Web Management, 173–92. New York, NY: Springer New York, 1992. http://dx.doi.org/10.1007/978-1-4612-4410-3_10.

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Alba-Tercedor, Javier. "Aquatic Macroinvertebrates." In Water Quality Measurements, 71–87. Chichester, UK: John Wiley & Sons, Ltd, 2006. http://dx.doi.org/10.1002/0470863781.ch5.

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New, Tim R. "Monitoring Freshwater Macroinvertebrates." In Insect conservation and Australia’s Inland Waters, 37–55. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-57008-8_4.

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New, Tim R. "Macroinvertebrates of Inland Waters." In Insect conservation and Australia’s Inland Waters, 161–71. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-57008-8_7.

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Oswood, Mark W., L. Keith Miller, and John G. Irons. "Overwintering of Freshwater Benthic Macroinvertebrates." In Insects at Low Temperature, 360–75. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4757-0190-6_15.

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O’Rear, Teejay A., and Peter B. Moyle. "7. Fishes and Aquatic Macroinvertebrates." In Suisun Marsh, edited by Peter B. Moyle, Amber D. Manfree, and Peggy L. Fiedler, 165–84. Berkeley: University of California Press, 2019. http://dx.doi.org/10.1525/9780520957329-010.

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Lucić, Andreja, Momir Paunović, Jelena Tomović, Simona Kovačević, Katarina Zorić, Vladica Simić, Ana Atanacković, et al. "Aquatic Macroinvertebrates of the Sava River." In The Handbook of Environmental Chemistry, 335–59. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-44034-6_13.

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Usio, Nisikawa. "Assessing Stream Water Quality Using Macroinvertebrates." In Field Work and Laboratory Experiments in Integrated Environmental Sciences, 171–96. Singapore: Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-6532-8_11.

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Costa, Valentina, Renato Chemello, Davide Iaciofano, Sabrina Lo Brutto, and Francesca Rossi. "Seagrass detritus as marine macroinvertebrates attractor." In Ninth International Symposium “Monitoring of Mediterranean Coastal Areas: Problems and Measurement Techniques”, 619–26. Florence: Firenze University Press, 2022. http://dx.doi.org/10.36253/979-12-215-0030-1.58.

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Seagrass detritus is used as food, physical habitat and shelter. Using natural and artificial detritus, we tested if: 1) the colonisation was related to substrate availability rather than food 2) the assemblages were similar according to meadow structural complexity. A total of 11,270 invertebrates were identified. Neither the habitat complexity, nor the substrate type shown any effects on the colonisation, with both substrates acting as a faunal magnet. The detritus can be colonised by a rich and diverse community, highlighting its important role in maintaining the seagrass meadow biodiversity
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Oscoz, Javier, David Galicia, and Rafael Miranda. "Why, Where and How: An Identification Guide of Macroinvertebrates." In Identification Guide of Freshwater Macroinvertebrates of Spain, 1–5. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1554-7_1.

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Conference papers on the topic "Macroinvertebrates"

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Ozolins, Davis, Laura Grinberga, Agnija Skuja, and Ilga Kokorite. "Ecological quality of Latvian–Lithuanian transboundary lakes based on benthic macroinvertebrates and macrophytes." In 81st International Scientific Conference of the University of Latvia. University of Latvia, 2023. http://dx.doi.org/10.22364/iarb.2023.05.

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Macroinvertebrates and macrophytes were used as indicators to assess the ecological quality of five Latvian-Lithuanian transboundary lakes. The aim of the study is to ensure joint quality assessment of trans-boundary lake water bodies, because studied lakes pose a risk for not meeting good status according to the requirements of the EU Water Framework Directive. The fieldwork was performed in May and October 2021. Macroinvertebrates demonstarted good ecological quality at all studied lakes using both Latvian and Lithuanian multimetric macroinvertebrate indices. The non-biting midges Chironomidae, as well as the mayfly species Caenis horaria and Cloeon dipterum, were dominant in macroinvertebrate communities of the studied lakes. The invasive species zebra mussel Dreissena polymorpha was present in four lakes while the spiny-cheek crayfish Orconectes limosus was observed in two out of five lakes. In addition, the medical leech Hirudo medicinalis was found in Lake Lielais Kumpinišķu; it is a species protected under the Habitats directive (Annex V) and under the Latvian Regulation of the Cabinet of Ministers No 396.
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ROBERTS, L., S. CHEESMAN, M. ELLIOTT, and T. BREITHAUPT. "SENSITIVITY OF MACROINVERTEBRATES TO SUBSTRATE BORNE VIBRATION." In SEABED AND SEDIMENT ACOUSTICS 2015. Institute of Acoustics, 2023. http://dx.doi.org/10.25144/16054.

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Wang, Hongwei, Likun Yang, Chunlong Zhao, Zhaojin Cui, Haitao Zhao, Weifeng Tang, and Qianqian Liu. "The Investigation of benthic macroinvertebrates in Baiyangdian Lake." In 2015 3rd International Conference on Advances in Energy and Environmental Science. Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/icaees-15.2015.229.

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Shujaee, K., R. George, P. Abraham, R. Silva, and J. Melnyczuk. "ICP-MS analysis of metal accumulation by macroinvertebrates." In IEEE SOUTHEASTCON 2013. IEEE, 2013. http://dx.doi.org/10.1109/secon.2013.6567378.

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Arnosova, L. "INDICATION OF MACROINVERTEBRATES SPECIES RESISTANT TO FLOW RATE FLUCTUATIONS." In 14th SGEM GeoConference on ECOLOGY, ECONOMICS, EDUCATION AND LEGISLATION. Stef92 Technology, 2014. http://dx.doi.org/10.5593/sgem2014/b52/s20.047.

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Raitoharju, Jenni, Ekaterina Riabchenko, Kristian Meissner, Iftikhar Ahmad, Alexandros Iosifidis, Moncef Gabbouj, and Serkan Kiranyaz. "Data Enrichment in Fine-Grained Classification of Aquatic Macroinvertebrates." In 2016 ICPR 2nd Workshop on Computer Vision for Analysis of Underwater Imagery (CVAUI). IEEE, 2016. http://dx.doi.org/10.1109/cvaui.2016.020.

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Riva Murray, Karen. "TOTAL MERCURY AS A SURROGATE FOR METHYLMERCURY IN AQUATIC MACROINVERTEBRATES." In 51st Annual Northeastern GSA Section Meeting. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016ne-272542.

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Sohrab, Fahad, and Jenni Raitoharju. "Boosting Rare Benthic Macroinvertebrates Taxa Identification With One-Class Classification." In 2020 IEEE Symposium Series on Computational Intelligence (SSCI). IEEE, 2020. http://dx.doi.org/10.1109/ssci47803.2020.9308359.

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Espino, Kleveer, Ulises Jimenez, and Euclides Deago. "Ipeti River's Water Quality Based on the Aquatic Macroinvertebrates Community." In 2022 8th International Engineering, Sciences and Technology Conference (IESTEC). IEEE, 2022. http://dx.doi.org/10.1109/iestec54539.2022.00064.

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Riabchenko, Ekaterina, Kristian Meissner, Iftikhar Ahmad, Alexandros Iosifidis, Ville Tirronen, Moncef Gabbouj, and Serkan Kiranyaz. "Learned vs. engineered features for fine-grained classification of aquatic macroinvertebrates." In 2016 23rd International Conference on Pattern Recognition (ICPR). IEEE, 2016. http://dx.doi.org/10.1109/icpr.2016.7899975.

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Reports on the topic "Macroinvertebrates"

1

Cummins, K., and M. Wilzbach. Pathogenic regulation of running water macroinvertebrates. Office of Scientific and Technical Information (OSTI), January 1989. http://dx.doi.org/10.2172/5473788.

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Scott, E. M. Jr. Clinch River remedial investigation task 9 -- benthic macroinvertebrates. Office of Scientific and Technical Information (OSTI), August 1994. http://dx.doi.org/10.2172/485965.

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Bennett, K. Aquatic macroinvertebrates and water quality in Sandia Canyon. Office of Scientific and Technical Information (OSTI), May 1994. http://dx.doi.org/10.2172/10159780.

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Payne, Barry S., Andrew C. Miller, Christina Miller-Way, and C. R. Bingham. Macroinvertebrates of Luxapalila Creek, Mississippi and Alabama, 1987-89. Fort Belvoir, VA: Defense Technical Information Center, February 1991. http://dx.doi.org/10.21236/ada232870.

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Sauer, Jennifer S., and Kenneth S. Lubinski. Spatial Patterns of Macroinvertebrates on the Upper Mississippi River System. Fort Belvoir, VA: Defense Technical Information Center, February 1998. http://dx.doi.org/10.21236/ada338013.

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Edwards, Patrick. Macroinvertebrates and Excessive Fine Sediment Conditions in Oregon Coastal Streams. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.1830.

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Cross, S., and H. Nottelman. Aquatic macroinvertebrates and water quality of Sandia Canyon, Los Alamos National Laboratory, 1995. Office of Scientific and Technical Information (OSTI), January 1997. http://dx.doi.org/10.2172/426974.

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Miller, Andrew C., David C. Beckett, Carl M. Way, and Edmond J. Bacon. Aquatic Plant Control Research Program: The Habitat Value of Aquatic Macrophytes for Macroinvertebrates. Fort Belvoir, VA: Defense Technical Information Center, November 1989. http://dx.doi.org/10.21236/ada215675.

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PALLER, MICHAEL. Application Of The SCDHEC Multiple Habitat Sampling Protocol (MHSP) For Macroinvertebrates In SRS Streams. Office of Scientific and Technical Information (OSTI), October 2005. http://dx.doi.org/10.2172/882715.

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Whicker, A. Seasonal dynamics of benthic macroinvertebrates of Pond B, Savannah River Plant Aiken, South Carolina. Office of Scientific and Technical Information (OSTI), January 1988. http://dx.doi.org/10.2172/5043977.

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