Literatura académica sobre el tema "Waterbird guild"
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Artículos de revistas sobre el tema "Waterbird guild"
Chakraborty, Anupam, Himangshu Barman, Goutam K. Saha y Gautam Aditya. "Wintering waterbird assemblage in an emerging wetland of West Bengal, India: characterization for conservation management". Ornis Hungarica 29, n.º 1 (1 de junio de 2021): 1–19. http://dx.doi.org/10.2478/orhu-2021-0001.
Texto completoKopij, Grzegorz y Mark Paxton. "Waterbirds in the panhandle of the Okavango Delta: dry season counts over two seven-year periods". Zoology and Ecology 29, n.º 1 (13 de julio de 2019): 15–27. http://dx.doi.org/10.35513/21658005.2019.1.3.
Texto completoTallei, Ever, Analía Benavidez, Alejandro Schaaf, Pablo Isola y Marcelo Zanotti. "Seasonal dynamics of waterbirds from a relict wetland in the central Monte Desert, Argentina". Neotropical Biology and Conservation 16, n.º 2 (20 de mayo de 2021): 333–49. http://dx.doi.org/10.3897/neotropical.16.e61672.
Texto completoElafri, Ali, Mouhamed Belhamra y Moussa Houhamdi. "Comparing habitat preferences of a set of waterbird species wintering in coastal wetlands of North Africa: implication for management". Ekológia (Bratislava) 36, n.º 2 (27 de junio de 2017): 158–71. http://dx.doi.org/10.1515/eko-2017-0014.
Texto completoLi, Chunlin, Sen Yang, Daode Zha, Yong Zhang y Willem F. de Boer. "Waterbird Communities in Subsidence Wetlands Created by Underground Coal Mining in China: Effects of Multi-Scale Environmental and Anthropogenic Variables". Environmental Conservation 46, n.º 1 (14 de septiembre de 2018): 67–75. http://dx.doi.org/10.1017/s0376892918000292.
Texto completoFox, Anthony D., Lei Cao, Yong Zhang, Mark Barter, Mei Juan Zhao, Fan Juan Meng y Si Long Wang. "Declines in the tuber-feeding waterbird guild at Shengjin Lake National Nature Reserve, China - a barometer of submerged macrophyte collapse". Aquatic Conservation: Marine and Freshwater Ecosystems 21, n.º 1 (3 de noviembre de 2010): 82–91. http://dx.doi.org/10.1002/aqc.1154.
Texto completoCUMMING, GRAEME S., MARK PAXTON, JACKIE KING y HANS BEUSTER. "Foraging guild membership explains variation in waterbird responses to the hydrological regime of an arid-region flood-pulse river in Namibia". Freshwater Biology 57, n.º 6 (13 de abril de 2012): 1202–13. http://dx.doi.org/10.1111/j.1365-2427.2012.02789.x.
Texto completoLI, DONGLAI, SIHANG CHEN, HUW LLOYD, SHUYU ZHU, KAI SHAN y ZHENGWANG ZHANG. "The importance of artificial habitats to migratory waterbirds within a natural/artificial wetland mosaic, Yellow River Delta, China". Bird Conservation International 23, n.º 2 (8 de abril de 2013): 184–98. http://dx.doi.org/10.1017/s0959270913000099.
Texto completoMorkūnė, Rasa, Jolita Petkuvienė, Modestas Bružas, Julius Morkūnas y Marco Bartoli. "Monthly Abundance Patterns and the Potential Role of Waterbirds as Phosphorus Sources to a Hypertrophic Baltic Lagoon". Water 12, n.º 5 (14 de mayo de 2020): 1392. http://dx.doi.org/10.3390/w12051392.
Texto completoNAVEDO, JUAN G., JOSÉ A. MASERO, JUAN M. SÁNCHEZ-GUZMÁN, JOSÉ M. ABAD-GÓMEZ, JORGE S. GUTIÉRREZ, ESTHER G. SANSÓN, AUXILIADORA VILLEGAS, EMILIO COSTILLO, CASIMIRO CORBACHO y RICARDO MORÁN. "International importance of Extremadura, Spain, for overwintering migratory dabbling ducks: a role for reservoirs". Bird Conservation International 22, n.º 3 (5 de diciembre de 2011): 316–27. http://dx.doi.org/10.1017/s0959270911000311.
Texto completoTesis sobre el tema "Waterbird guild"
Hubina, Tatsiana. "Development of a GIS to estimate the effect of abiotic factors on the abundance of waterbirds in the Grado-Marano Lagoon". Doctoral thesis, Università degli studi di Trieste, 2009. http://hdl.handle.net/10077/3168.
Texto completoL’obiettivo di questa tesi è valutare l’influenza di vari fattori biotici e abiotici che possono influenzare l’abbondanza degli uccelli acquatici nella laguna di Grado e Marano. La laguna di Grado e Marano è situata nel NE del mare Adriatico e ha un’estensione approssimativa di 160 km2. Il passo introduttivo nell’implementazione della struttura del progetto è stato individuare un sistema innovativo per la raccolta, la standardizzazione e l’archiviazione dei dati ornitologici. Immagini satellitari ASTER sono state utilizzate per classificare differenti tipi di habitat, incluse le praterie di fanerogame. Nel Sistema Informativo Geografico sono state incluse quattro variabili abiotiche (azoto e fosforo totale, salinità e tessitura del sedimento) e tre fattori biotici (comunità bentonica, praterie di fanerogame e l’abbondanza degli uccelli acquatici presenti (Mean values: December 2006, January and February 2007), raggruppati in unita funzionali o guilds). Una griglia UTM con celle di grandezza 1km x 1km (Operational Geographic Units, OGU), è stata sovrapposta all’intera laguna. Per definire le unità ecologiche sono state applicate la classificazione gerarchica e l’analisi delle componenti principali. Da ultimo è stata usata l’analisi di corrispondenza per esaminare la relazione tra uccelli acquatici raggruppati in guilds e le unità ecologiche. L’integrazione dei metodi standard di censimento con i database relazionali per archiviare e analizzare i dati ornitologici, con le tecniche di telerilevamento e di GIS e con i metodi di analisi multivariata, rappresenta un set di strumenti efficienti e potenti per il monitoraggio integrato della laguna. Il soddisfacente risultato ottenuto si potrebbe applicare per ottenere un miglioramento della struttura gestionale di numerose zone umide dell’Adriatico. The purpose of this thesis is to estimate the influence of several biotic and abiotic factors on the abundance of waterbirds in the Grado-Marano Lagoon. The Grado-Marano Lagoon is situated in the Northeast of the Adriatic Sea with an extension of approximately 160 km2. Design of an innovative system for ornithological data gathering, standardisation and storage has been an initial step in the whole project structure. Waterbirds census was carried out by periodically monitoring the bird population over a two-year period (July 2006- July 2008). The present research is making use of the integrated waterbirds census database December 2006 - February 2007 (Daylight Time Counts completed by Aerial Surveys). Terrestrial and aerial survey methods allowed us to describe bird density and habitat use. An Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) satellite images were utilized to classify different types of morphologies and habitat, including sea grass meadows. Four abiotic factors (total nitrogen, total phosphorous, salinity and sediment texture) and three biotic factors (benthic community, sea grass meadows and waterbird guild abundance) were integrated into a GIS. The flexibility of the procedure proposed in this PhD research depends on the concept of the Operational Geographic Unit (OGU) as a useful tool to integrate in a GIS georeferenced multisource data A regular UTM grid of square cells (OGU), 1km × 1km, was superimposed on the entire lagoon. Using the Hierarchical Cluster Analysis technique it was possible to delineate ecological units (clusters of OGUs) and Principal Component Analysis was used to reduce the dimensionality of the factors considered. Subsequently, Correspondence Analysis (CA) was used to examine the relationship between waterbird guild abundance and ecological units. The results obtained from this study show that sea grass meadows represent a fundamental trophic resource for aquatic birdlife in the lagoon. It is therefore indispensable to assess the distribution of phanerogam meadows and to identify the principal ecological parameters. In this context, GIS techniques allow us to integrate significant amounts of environmental data and multivariate analysis helps us to reduce the dimensionality of the data set. The integration of standard waterbirds census methods, relational databases for the ornithological data storing and analysis, remote sensing techniques, GIS technologies and multivariate statistical methods provides us with a set of powerful and efficient tool for lagoon integrated monitoring. It demonstrates the promising potentials in reforming the management frameworks of the numerous coastal wetlands in the Adriatic.
XXI Ciclo
1979