Thematische Bibliographien / Bryophytic species

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Auswahl der wissenschaftlichen Literatur zum Thema „Bryophytic species“

Autor: Grafiati

Veröffentlicht am 18. Mai 2024

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Zeitschriftenartikel zum Thema "Bryophytic species"

Fudali, Ewa. „Distribution of epiphytic bryophytes in Wroclaw in relation to urban-use complexes“. Biodiversity Research and Conservation 54, Nr. 1 (01.06.2019): 11–21. http://dx.doi.org/10.2478/biorc-2019-0007.

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Abstract Studies on epiphytic bryophyte species richness and diversity in various urban-use complexes in Wroclaw (excluding urban forests) were conducted in 2013-2016 to check the research hypothesis that, in spite of the observed phenomenon of return of bryophytic epiphytes to cities, urban parks still favor species richness and the diversity of bryophytic epiphytes in built-up areas. Epiphytes (38 species) were recorded in all distinguished urban-use complexes but with strongly differentiated frequency, and 64% of all the trees colonized with epiphytes were situated either along streets or inside urban green areas (32% in each). It was shown that the highest species richness (89% of all the species found), bryophyte total coverage and values of the diversity indices referred to the latter complex. 20 species revealed preferences to occur mostly or exclusively on trees situated in urban parks. The second urban-use complex, which visibly affected the distribution of epiphytes, was the complex of streets; Tortula muralis occurred only on trees along streets and six other species occurred more frequently in these complexes than in others: Orthotrichum diaphanum, O. pumilum, O. pallens, Ceratodon purpureus, Syntrichia virescens, Bryum argenteum. In general, epiphytes – which were recorded on more than 20 trees – colonized a large number of phorophytes, from 12 to 33. They also showed some tendencies to occupy trunks of some host tree species more frequently than others. Detailed data are provided.

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Poponessi, Silvia, Michele Aleffi, Marko S. Sabovljević und Roberto Venanzoni. „Bryophyte diversity hotspot: the Marmore Waterfalls Regional Park (Umbria, central Italy)“. Italian Botanist 10 (30.09.2020): 33–45. http://dx.doi.org/10.3897/italianbotanist.10.54885.

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A study of the bryophyte of Marmore Waterfall Natural Park a very peculiar territory for its geological, biogeographical and bioclimatic traits, was carried out. The reported data were collected in the valley area of ‘Parco Fluviale del Nera’ Regional Park, where the waters are flowing and the humidity of the rocks is oozing. Research led to the identification of 101 taxa of bryophytes (21 liverworts and 80 mosses), among which two liverwort and 10 moss species are new records for the Umbria region, while four are confirmed. The study offers new outcomes on neglected aspects of the flora of central Italy and represents a considerable improvement of the floristic, biogeographical and ecological understanding of its bryophytic component. Additionally, the area turn out to be significant from the conservation point of view both nationally and internationally considering that it harbours high diversity of bryophytes species among which many rare, threatened and interesting species occur. Eighteen species of conservation interest in Italy are recorded during the latest investigation (all in category NT – near threatened). Additionally two species that are considered data deficient in Italy are present in the researched area (Conocephalum salebrosum and Fissidens curvatus). Also, there is a small populations of a species vulnerable (Marchantia paleacea), endangered (Bryum calophyllum) and data deficient (Fissidens curvatus and Barbula bolleana) in European scale.

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Chandra, Shaila. „Bryophytic remains from the early Permian sediments of India“. Journal of Palaeosciences 43, Nr. 1-3 (31.12.1994): 16–48. http://dx.doi.org/10.54991/jop.1994.1173.

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Bryophytic fossil remains in the Permian Gondwana formations are extremely rare. The rarity of fossil bryophytes is generally attributed to their delicate nature and small size of the plants. Fossil bryophytes so far reported are few as compared to vascular plants but they have been adequately recorded to indicate early existence of mosses and liverworts. It is also likely that bryophytes have just not been recognized in ancient sediments by palaeobotanists and they may not be so rare as are believed today. Most of the fossil specimens reported from India as bryophytes are either doubtful records or unidentifiable up to generic level, Indian Permian reports are considered doubtful while Triassic and younger records are not so meagre and are reasonably well reported. It is for the first lime a good assemblage of bryophytes has been recovered from the Early Permian sediments of India as impressions along with the typical Glossopteris flora. Both the groups Hepaticae and Musci are represented by newly designated form genera and species. The assemblage is represented by an indeterminate genus - Bryothallites talchirensis, hepatic genus- Hepaticites umariaensis, and three moss genera- Talchirophyllites indicus, Saksenaphyllites saksenae and Umariaphyllites acutus. Remarks on the naming of the fossil bryophytes, their probable possibility of preservation, spore distribution, probable habitat and evolutionary aspects also have been given and discussed.

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Schofield, W. B. „Bryogeography and the bryophytic characterization of biogeoclimatic zones of British Columbia, Canada“. Canadian Journal of Botany 66, Nr. 12 (01.12.1988): 2673–86. http://dx.doi.org/10.1139/b88-362.

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Although nearly 85% of the bryophytes of the known flora of British Columbia show wide world distributions, they, plus the remaining 15% confined to western North America, segregated into at least eight distinguishable patterns. These patterns have been shaped by the coincidence of climate, historical events, substratum, and topography and have been altered more recently through anthropogenic disturbance. The distribution patterns form the basis for the bryophytes that characterize the biogeoclimatic zones. Lists of these bryophytes are provided for the 12 biogeoclimatic zones recognized for British Columbia by V. J. Krajina. Distribution maps are provided for 16 representative species. Other applications of bryophyte ecology in forestry practice include site evaluations, nutrient cycling, and successional interpretation.

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Guerra, Juan, Juan Antonio Jiménez, Rubén Cabrera, María Jesús Cano, Omar Rodríguez und Baltasar Cabezudo. „Bryophytic flora of the Montes de Málaga Natural Park and its surroundings (Southern Spain)“. Anales de Biología, Nr. 44 (07.07.2022): 81–95. http://dx.doi.org/10.6018/analesbio.44.08.

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Se realiza un estudio de la flora briofítica del Parque Natural Montes de Málaga y su entorno, mediante la recolección en un total de 34 localidades. La diversidad briofítica se ha estimado en 125 especies, de las cuales 109 son musgos y 16 hepáticas, no se han encontrado antocerotas. Aschisma cuynetii, Bryum gemmiferum, B. radiculosum, Crossidium aberrans, Fissidens bryoides, Geheebia siccula, Gymnostomum lanceolatum, Pottiopsis caespitosa, Riccia bicarinata, R. ciliifera, R. papillosa, Trichostomum meridionale y Weissia levieri se citan por vez primera de la provincia de Málaga. Rhynchostegiella tubulosa se menciona como novedad para la brioflora de España. Through the collection of samples and study of 34 localities, the bryophytic flora of the Montes de Málaga Natural Park and surroundings areas is carried out. Bryophytic diversity has been estimated at 125 species, of which 109 are mosses and 16 liverworts, hornworts have not been found. Aschisma cuynetii, Bryum gemmiferum, B. radiculosum, Crossidium aberrans, Fissidens bryoides,Geheebia siccula, Gymnostomum lanceolatum, Pottiopsis caespitosa, Riccia bicarinata, R. ciliifera, R. papillosa, Trichostomum meridionale and Weissia levieri are reported for the first time in Málaga province. Rhynchostegiella tubulosa is mentioned as new record to the bryophytic flora of Spain.

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Frey, Wolfgang. „Bryophyte flora and vegetation of South-West Asia“. Proceedings of the Royal Society of Edinburgh. Section B. Biological Sciences 89 (1986): 217–27. http://dx.doi.org/10.1017/s0269727000009040.

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Synopsis176 liverwort species and 649 moss species are known from SW Asia; the total number of species in the different countries is indicated. Families of outstanding bryo-geographical interest or with endemic taxa are the Aytoniaceac, Frullaniaceae, Ricciaceae, Southbyaceae, Targioniaceae, Wiesnerellaceae, Grimmiaceae, Bryaceae, Fabroniaceae, Funariaceae, Orthotrichaceae, Pottiaceae and Splachnobryaceae.The “Northern”, Euxine-Hyrcanian, Afromontane and Circum-Tethyan elements and their characteristic taxa are discussed. Emphasis is given to the Circum-Tethyan element and its characteristic species; also to endemic taxa especially in the genera Tortula, Crossidium and Targionia. As in the phanerogams, the bryoflora of the arid parts of SW Asia includes a considerable percentage of endemic species. The published information on the bryophytic vegetation of SW Asia is summarised.

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Nath, Virendra, und Reesa Gupta. „hyophila involuta (hook.) jaeg. - new addition to the bryoflora of pachmarhi biosphere reserve“. Indian Journal of Forestry 32, Nr. 2 (01.06.2009): 297–99. http://dx.doi.org/10.54207/bsmps1000-2009-wi4x55.

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Genus Hyophila Brid.; a moss belonging to subfamily Barbuloideae, family Pottiaceae is represented by 7 species in India; out of these, three species: H. involuta (Hook.) Jaeg., H. rosea Williams and H. comosa Dix. et P. Vard. occur in Central India. Earlier H. rosea alone was reported from Pachmarhi Biosphere Reserve (PBR) but during floristic studies of bryophytes of PBR, which is well known for its biodiversity and is rich in bryophytic vegetation, H. involuta has been encountered for the first time. This taxon has been earlier reported from several other localities and shows wide distribution in India in Bengal, Bihar, Orissa, Arunachal Pradesh, Upper Assam, South India and Western Himalayas etc. H. involuta is characterised by dioecious plants, erect dark green habit and radiculose stem (5-18 mm in size). Leaves are oblong, spathulate, carinate with percurrent costa, 1.8-2.8 mm x 0.56-0.86 mm, seta erect, capsule cylindrical with beaked operculum. Peristome is absent and spores are small, brown coloured, spherical, 8-12 µm in diameter. The species is distributed in various localities of PBR: Tamia Valley, Jambu Dweep. Near Police Training School, Near Forest Office, Pandav Caves and Bee Fall. H. involuta closely resembles with H. rosea which occurs in the same vicinity, in leaf size and shape, leaf cells and shape of capsule; however, it differs in its radiculose habit, uniform leaf arrangement, longer seta and smaller spores from the latter species.

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Felisa, Puche, Gabriel Segarra-Moragues José, Fos Simón, Peña Carlos und Sebastián Aruca. „Briófitos de las formaciones de toba calcárea en la Comunitat Valenciana (este de España)“. Boletín de la Sociedad Española de Briología, Nr. 50(38) (01.11.2018): 3–14. http://dx.doi.org/10.58469/bseb.2018.48.38.001.

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El hábitat protegido “Manantiales petrificantes con formación de tufa (Cratoneurion) (7220*)” incluye formaciones tobáceas generadas por la presencia de briófitos y otros organismos como cianobacterias en ambientes de escorrentía, cascadas o láminas continuas o no, de agua carbonatadas. Se ha realizado un amplio muestreo que incluye 45 localidades en la Comunitat Valenciana donde se desarrolla este hábitat en las cuales se ha estudiado la diversidad briofítica. Se han identificado un total de 20 especies de briófitos en las localidades estudiadas, 17 musgos y 3 hepáticas. La especie más frecuente en estos ambientes en el territorio valenciano es Eucladium verticillatum, una especie capaz de soportar la escasez de agua estival, seguida de Palustriella commutata y Pellia endiviifolia. También encontramos otras especies características de estos ambientes como Barbula bolleana, Didymodon tophaceus, Cratoneuron filicinum e Hymenostylium recurvirostrum que son las especies más frecuentes y abundantes, formadoras de toba, y que también aparecen en estos ambientes en otras zonas de la Península Ibérica, así como en Francia y en el Reino Unido. The protected habitat “H7220 Petrifying springs with tufa formation (Cratoneurion)” includes tufa formations produced by the presence of bryophytes and other organisms such as cyanobacteria in runoff environments, cascades or carbonated, continuous or not water sheets. A broad sampling has been carried out including 45 localities of occurrence of this habitat in the Valencian Community and the bryophytic diversity has been recorded. A total of 20 species of bryophytes have been identified in the studied localities, 17 mosses and 3 liverworts. The most frequent species in these environments in the Valencian territory are Eucladium verticillatum, a species able to withstand water scarcity during drier summers, followed by Palustriella commutata and Pellia endiviifolia. We also found other species characteristic of these environments, such as Barbula bolleana, Didymodon tophaceus, Cratoneuron filicinum and Hymenostylium recurvirostrum, which are the most frequent and abundant, forming tufa species, which occur in these environments in other areas of the Iberian Peninsula as well as in France and in the United Kingdom.

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Fastanti, Fandri Sofiana, und Tri Yuni Indah Wulansari. „DYNAMICS OF BRYOPHYTES SPECIES DIVERSITY IN THE LOWLAND ECOSYSTEMS, CIBINONG SCIENCE CENTER-BOTANICAL GARDEN“. Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH) 8, Nr. 2 (30.12.2021): 8–17. http://dx.doi.org/10.23960/jbekh.v8i2.194.

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Bryophytes are a group of plants generally with small sizes and spores as generative reproduction. There are three main groups of Bryophytes: liverworts or hepatics (Marchantiophyta), mosses (Bryophyta), and hornworts (Anthocerophyta). They are found in almost all ecosystems. Ecopark Cibinong Science Center-Botanical Garden (CSC-BG) is a lowland ecosystem protection area located in industrial cities. The bryophytes species that were carried out in 2009 and 2010 are inadequate. Re-exploration activity was carried out from June 2018 until January 2019 in all blocks of Ecopark. This study aims to report an update of bryophytes data in Ecopark. A total of 20 species of bryophytes were found in this research. Fissidens is the most common genus of bryophytes. There are 11 species of bryophytes and 9 species are new data records for Ecopark CSC-BG. This study updated bryophyte diversity data from Ecopark CSC-BG in 2009 and 2010, resulting in the discovery of 30 species (27 species mosses, 3 species liverworts), including 10 species not found in previous studies. There are no hornworts found in Ecopark CSC-BG.

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Rykovsky, Gennadiy, Marina Mal'ko und Anastasia Sakovich. „Epixylic component of bryoflora of the Polesye Region“. Diversity of plant world 3 (10) (06.12.2021): 5–27. http://dx.doi.org/10.22281/2686-9713-2021-3-5-27.

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The article gives a detailed description of the epixylic component of bryoflora of the Polesye Region on the terri-tory of Belarus, Russia and Ukraine. According to the results of a long-term comprehensive study of the Polesye bryocomponent, 468 species of bryophytes from three divisions have been recorded to date: Anthocerotophyta, Bryophyta, Marchantiophyta. On rotting and decaying wood, 159 species were identified, including 52 species belonging to the division Marchantiophyta, 107 – Bryophyta. The most representative in terms of species diver-sity are the family of liverworts Scapaniaceae, Cephaloziaceae, Calypogeaceae, Aneuraceae and Lophocoleace-ae, mosses – Brachytheciaceae, Amblystegiaceae, Dicranaceae, Hypnaceae and Mniaceae. The distribution of bryophyte species depending on the degree of decomposition of wood is shown, the forms of growth of bryophytes are considered, and hydromorphs are analyzed. An annotated list of bryoepixyls of the Polesye Region has been compiled. The systematic position, main synonyms, growing conditions, distribution in regions, ecological features, and occurrence are indicated for each species.

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Dissertationen zum Thema "Bryophytic species"

Yonzone, Sachina. „Isolation and biochemical characterization of L-myo inositol-1-phosphate synthase from asterella khasiana (Griff.) Grolle and Sphagnum junghuhnianum Doz. & Molk. of Darjeeling hills“. Thesis, University of North Bengal, 2018. http://ir.nbu.ac.in/hdl.handle.net/123456789/2772.

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Walters, Stephanie E. „The microbial decomposition of six species of New Zealand bryophytes“. Thesis, University of Canterbury. Plant and Microbial Sciences, 2001. http://hdl.handle.net/10092/6878.

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Nutrient cycling and energy flow within various ecosystems has been the subject of many studies in the past. The influence bryophyte litter has on nutrient cycling has not been investigated extensively and research on nitrogen flow, in particular, is limited. In the following study the litter quality and decomposition characteristics of material from six New Zealand moss species was investigated using both laboratory and field studies. Ptychomnion aciculare, Hypnodendron comatum and Dicranoloma dicarpum were collected from Maruia Springs in the Lewis Pass Reserve and Hypnum cupressiforme, Breutelia pendula and Racomitrium pruinosum came from Cass near Arthur's Pass. Differences between the six species and between the green (younger) and brown (older) fractions of the litter were investigated with respect to litter quality, decay rates and nitrogen mobilisation. Due to the lack of an obvious senescence cycle naturally dead moss litter was difficult to determine therefore comparisons between the older and younger material were made. Moss litter is thought to be resistant to microbial degradation due to the chemical characteristics of the material Chemical analysis of the species showed a range of high C:N and C:P ratios (53-188 and 206-815 respectively), and that approximately 90% of the acid soluble nitrogen was derived from amino acids and proteinaceous compounds. The high percentage of amino acid and proteinaceous nitrogen indicates that the litter may be of high quality if the nitrogen is not complexed with other compounds causing it to become recalcitrant. Decay rates (k) were determined from weight loss experiments giving a range of 0.23- 1.3. There was an observed increase in weight loss over time for all the litter types. Nitrogen mineralisation studies indicated that nitrogen was released (generally in the form of ammonium ions) by microbial activity over 180 days incubation. Nitrate was also observed which in some cases exceeded ammonium levels. Leaching of the litter yielded water-soluble compounds including high nitrogen levels. Water-soluble extracts were shown to support microbial growth.

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Kassel, Marlene. „Effects of climate change on freezing damage in three subarctic bryophyte species“. Thesis, Umeå universitet, Institutionen för ekologi, miljö och geovetenskap, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-130700.

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Climate change is expected to have a strong impact on subarctic ecosystems. Increased temperatures as well as altered precipitation and snow cover patterns are predicted to change species distribution and affect biogeochemical processes in the subarctic tundra. Bryophytes are an essential vegetational component in northern ecosystems, due to their high abundance and importance in many ecological processes. In this study the effects of elevation and altered snow cover on the temporal dynamics of freezing damage in three subarctic bryophyte species (Hylocomium splendens, Ptilidium ciliare, and Sphagnum fuscum) were studied in a snow manipulation field experiment in Abisko, during early spring. Soil temperature and field moisture of moss shoots were collected. A freeze-thaw incubation experiment was conducted to investigate the freeze-thaw cycle resistance of H. splendens and P. ciliare originating from habitats with two differing snow-cover thicknesses. Freezing damage differed significantly between the bryophytes species with P. ciliare experiencing the least and S. fuscum the highest damage. Damage was higher at the low elevation, possibly attributable to acclimation effects. Snow removal led to higher damage in moss shoots, but no interactions of the different snow cover treatments with elevation, species or time were found. Freezing damage increased over time and no recovery occurred, likely due to temporal patterns in soil freeze-thaw cycles during early spring. Soil freeze-thaw cycles were the main factor influencing damage in bryophytes after snow melt. Measured environmental parameters could not explain the entire variation in damage. Damage might additionally be attributable to increased UV radiation or disturbances by herbivores.

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Dahlerup, Nina. „Effects of site quality and surrounding landscape on bryophytes and brackets on logs in woodland key habitats“. Thesis, Linköping University, Department of Physics, Chemistry and Biology, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-54183.

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A tool for management and conservation of valuable forests in Sweden are WKH:s. In this study WKH:s different in size, connectivity, amount of dead wood and quality of logs were investigated for species richness of bryophytes and brackets on coniferous logs. The aim was to clarify which scales and features that was important for the diversity of species as well as for individual species. The results showed that the amount of dead wood was most important on the site scale, and some species were affected at the landscape scale, a positive effect of valuable tracts. On the scale of individual logs, factors such as diameter, sun exposure, succession stage, contact with ground and ground bryophytes cover was most important. Red-listed species preferred logs with large diameter and late successional stages. The conclusion was that the quality of the substrate and the amount of dead wood was most important, but the amount of WKH:s on the landscape scale was also important for some species.

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Meek, Sarah. „Functional traits as drivers of bryophyte species distribution along a tropical elevation gradient“. Thesis, University of Cape Town, 2011. http://hdl.handle.net/11427/26658.

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Mansouri, Katayoun. „COMPARATIVE ULTRASTRUCTURE OF APICAL CELLS AND DERIVATIVES IN BRYOPHYTES, WITH SPECIAL REFERENCE TO PLASMODESMATA“. OpenSIUC, 2012. https://opensiuc.lib.siu.edu/dissertations/484.

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This study focused on the primary cell wall constituents and plasmodesmata (PD) density in three mosses and four liverwort apical cells (AC) and immediate derivatives. The three mosses have tetrahedral apical cells and the liverworts possess tetrahedral, hemidiscoid and lenticular AC geometries. The primary cell wall in the studied taxa is comprised of two layers. A fibrillar layer, which is the outer wall layer, contains compacted cellulosic fibrils, and represents the two adjacent primary walls and middle lamella, the latter of which is rarely discernible. An electron-lucent inner wall layer abuts the plasma membrane. This layer has faint fibrous materials that extend from the plasma membrane to the fibrillar layer. Generally, as the cell wall ages it thickens, the fibrillar layer increases in width while the electron-lucent wall stays more or less consistent in width. In the four liverworts, the most recent wall of the AC has the highest PD density in the apical region regardless of AC geometry. As the walls elongate, primary wall is laid down between PD, separating them and resulting in lower densities and wider PD diameters in older walls. The season of fixation and whether plants were studied from nature or culture have an influence on AC ultrastructure. A developmental study of Physcomitrella patents gametophores in four stages, bud, 2-leaved, 7-8-leaved and ~20-leaved, reveals that the primary cell wall constituents change slightly during development. Specifically, LM5 a RG-I pectin antibody against the galactan branch epitope is only localized in the fibrillar layer of young water-conducting cells in the 7-8-leaved and 20-leaved gametophores. LM20, an antibody against HG esterified pectins, does not localize in any of the cell walls during development. The distribution patterns for AGPs (JIM13 and LM2) are consistent during gametophore development and predominantly localize on the electron-lucent layer and wall/plasma membrane interface. However, LM2 is mainly localized on the fibrillar layer in 7-8-leaved cell walls. AGPs also localize on element of the cytoplasm. LM6, an antibody against an RG-I pectin with arabinan branch epitopes, also localizes AGPs and because it expressed similar distribution patterns as JIM13 and LM2 on the cell wall, it likely localizes AGP in Physcomitrella. In addition, LM6 localizes pectins on the fibrillar layer similar to LM5 and LM19 for HG unesterified pectins. Callose predominantly localizes at the PD neck region. This study provides the first documentation of changes in size and shape of AC with age in Physcomitrella patens gametophores. The PD densities of gametophytes examined in this study fall into the lineage-specific network of PD (LPD) group designated for sporophytes of monilophytes and Selaginella (heterosporous lycophyte) with single ACs. Takakia lepidozioides leafy shoot has a tetrahedral AC with a highly curved free surface. This peculiar moss has mucilage hair (MH) associated with axil of phyllids. Mucilage hair in both species are 3-celled with a forth epidermal cell as the base. However, occasional 2-celled MH is seen in T. ceratophylla. The ultrastructure of MH has similarities with other mosses and liverworts.

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Rudolphi, Jörgen. „Bryophytes, lichens and dead wood in young managed boreal forests /“. Uppsala : Dept. of Ecology, Swedish University of Agricultural Sciences, 2007. http://epsilon.slu.se/200788.pdf.

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Blöcher, Rolf. „Molecular evolution, phylogenetics and biogeography in southern hemispheric bryophytes with special focus on Chilean taxa“. [S.l.] : [s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=973439440.

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Köchy, Martin, und Sven Bråkenhielm. „Separation of effects of moderate N deposition from natural change in ground vegetation of forests and bogs“. Universität Potsdam, 2008. http://opus.kobv.de/ubp/volltexte/2008/1662/.

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The effect of moderate rates of nitrogen deposition on ground floor vegetation is poorly predicted by uncontrolled surveys or fertilization experiments using high rates of nitrogen (N) addition. We compared the temporal trends of ground floor vegetation in permanent plots with moderate (7–13 kg ha−1 year−1) and lower bulk N deposition (4–6 kg ha−1 year−1) in southern Sweden during 1982–1998. We examined whether trends differed between growth forms (vascular plants and bryophytes) and vegetation types (three types of coniferous forest, deciduous forest, and bog). Trends of site-standardized cover and richness varied among growth forms, vegetation types, and deposition regions. Cover in spruce forests decreased at the same rate with both moderate and low deposition. In pine forests cover decreased faster with moderate deposition and in bogs cover decreased faster with low deposition. Cover of bryophytes in spruce forests increased at the same rate with both moderate and low deposition. In pine forests cover decreased faster with moderate deposition and in bogs and deciduous forests there was a strong non-linear increase with moderate deposition. The trend of number of vascular plants was constant with moderate and decreased with low deposition. We found no trend in the number of bryophyte species. We propose that the decrease of cover and number with low deposition was related to normal ecosystem development (increased shading), suggesting that N deposition maintained or increased the competitiveness of some species in the moderate-deposition region. Deposition had no consistent negative effect on vegetation suggesting that it is less important than normal successional processes.

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Todd, Catherine Mary. „The feeding ecology of certain larvae in the genus tipula (Tipulidae, Diptera), with special reference to their utilisation of Bryophytes“. Thesis, Durham University, 1993. http://etheses.dur.ac.uk/5699/.

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Bryophytes are rarely used as a food source by any animal species, but the genus Tipula (Diptera, Tipulidae) contains some of the few insect species able to feed, and complete their life-cycle, on bryophytes. Vegetation particle volumes ingested by larvae of eleven Tipula species increased only marginally between instars and not to the extent expected from the rate of growth of body mass. Early and late instars within a species frequently ingested similar sized particles. The overall efficiency of digestion of vegetation particles was low and similar between the four instars of each of the eleven species. Generally, the only method by which later larval instars can obtain a higher proportion of nutrients is by feeding on a larger number of smaller vegetation particles and not by ingesting large particles. In feeding choice experiments, Tipula confusa preferred moss species from woodland habitats, whereas Tipula subnodicornis did not show an overall preference for either woodland or moorland moss species. Tipula subnodicornis also showed a less extensive hierachical preference/avoidance than Tipula confusa for the ten moss species investigated. The moss species Campylopus paradoxus and Sphagnum papillosum accumulated Pb(^2+) ions and Zn(^2+) ions to high concentrations. There was some evidence that Tipula subnodicornis larvae were deterred from feeding on these mosses with high levels of introduced heavy metal ions. Tipula montana was able to thrive and complete its life-cycle in Britain at lower altitudes than had been previously thought. Individuals of this species show a combination of one-year and two-year life-cycles at Waskerley Common. The feeding methods employed by Tipula species can explain why some of them have remained as consumers of bryophytes.

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Bücher zum Thema "Bryophytic species"

Ryan, Michael William. Bryophytes of British Columbia: Rare species and priorities for inventory. Victoria, BC: Province of British Columbia, Ministry of Forests Research Program, 1996.

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Golumbia, T. E. The bryophytes of Haida Gwaii: A baseline species inventory, review and analysis. Halifax, N.S: Parks Canada, 2004.

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Institut D'estudis Catalans. Secció de Ciències Biològiques, Hrsg. Handbook of liverworts and hornworts of the Iberian Peninsula and the Balearic Islands: Illustrated keys to genera and species. Barcelona: Institut D'estudis Catalans, 2009.

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Hutten, Martin. Inventory of the mosses, liverworts, hornworts, and lichens of Olympic National Park, Washington: Species list. Reston, Va: U.S. Geological Survey, 2005.

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Guizhou shi fan da xue) Quan guo tai xian zhi wu xue xue shu yan jiu tao hui (2010 Guiyang. Zhongguo tai xian zhuan ye wei yuan hui tai xian zhi wu yan jiu te ji: Special issue of the National Symposium of the Bryological Society of China in 2010. Guiyang: Guizhou shi fan da xue xue bao (zi ran ke xue ban) bian ji bu, 2010.

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Mizutani, Masami. Type specimens of liverworts and hornworts located in the herbarium of the Hattori Botanical Laboratory (NICH). Nichinan: Hattori Botanical Laboratory, 2009.

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Colclazier, Erin. Conducting surveys in the forests of the Pacific Northwest for Survey and Manage: Rare lichens, bryophytes, and fungi species. Bellingham, WA: Huxley College of Environmental Studies, Western Washington University, 2001.

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1765-1812, Willdenow Karl Ludwig, und Schwaegrichen F. 1775-1853, Hrsg. Caroli a Linné Species plantarum.: Exhibentes plantas rite cognitas ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas. Berolini [Berlin]: Impensis G.C. Nauck, 1986.

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1765-1812, Willdenow Karl Ludwig, und Schwaegrichen F. 1775-1853, Hrsg. Caroli a Linné Species plantarum: Exhibentes plantas rite cognitas ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas. Berolini [Berlin]: Impensis G.C. Nauck, 1986.

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1765-1812, Willdenow Karl Ludwig, Hrsg. Caroli a Linné Species plantarum.: Exhibentes plantas rite cognitas ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas. Berolini [Berlin]: Impensis G.C. Nauk, 1986.

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Buchteile zum Thema "Bryophytic species"

Garcia, César, Cecília Sérgio und James R. Shevock. „The Bryophyte Flora of São Tomé and Príncipe (Gulf of Guinea): Past, Present and Future“. In Biodiversity of the Gulf of Guinea Oceanic Islands, 217–48. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-06153-0_9.

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AbstractThis chapter aims to present a review of the knowledge of the bryological flora for the São Tomé and Príncipe Islands (Gulf of Guinea). An updated catalogue is presented, as well as a brief overview of the first expeditions conducted by the University of Coimbra. The labels of the historical herbarium collections and correspondence were analyzed, which provides an important source of data contributing toward research in taxonomy and conservation of these oceanic islands. Since 2007, exploratory fieldwork was carried out in different habitats of this archipelago along an altitudinal gradient, aiming to improve the knowledge of the ecology and distribution patterns of its bryophyte flora. A total of 304 taxa of bryophytes (133 mosses, 164 liverworts and seven hornworts) are currently reported, of which 21 are endemic to São Tomé and Príncipe and 144 species are shared endemics with the African continent. Several vouchers, especially in the herbaria of the University of Lisbon and of the California Academy of Sciences, are still under study and will likely provide further insights and new discoveries.

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Lakatos, Michael. „Lichens and Bryophytes: Habitats and Species“. In Plant Desiccation Tolerance, 65–87. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-19106-0_5.

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Essl, Franz, und Philip W. Lambdon. „Alien Bryophytes and Lichens of Europe“. In Handbook of Alien Species in Europe, 29–41. Dordrecht: Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-1-4020-8280-1_3.

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Quicke, Donald L. J., Buntika A. Butcher und Rachel A. Kruft Welton. „Plotting biological data in various ways.“ In Practical R for biologists: an introduction, 37–78. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789245349.0006.

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Abstract This chapter introduces plotting line graphs, bar charts, pie charts, box and whisker plots. It will troubleshoot the main areas where you are likely to encounter problems. It will show how to create log plots, add legends, error bars, notches and confidence limits, and introduce confidence limits and statistical testing. Examples are given, including bryophytes up a mountain; relationship between rural population size and the potential remaining intact forest; dietary differences between hornbill species (Buceros bicornis, Rhyticeros undulatus, Anthracoceros albirostris and Anorrhinus (Ptilolaemus) tickelli); and study of the level of trematode infection in various species of fish in Thailand.

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Parveen, Shabnam. „A Review on Some Gymnospermous Fructifications from the Triassic of Nidpur, Madhya Pradesh, India“. In Proceedings of the Conference BioSangam 2022: Emerging Trends in Biotechnology (BIOSANGAM 2022), 235–46. Dordrecht: Atlantis Press International BV, 2022. http://dx.doi.org/10.2991/978-94-6463-020-6_23.

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Abstract The Nidpur bed was discovered near Nidpur village, Sidhi District, Madhya Pradesh, India. The carbonized fossils of Nidpur beds comprise plant remains assignable to different groups of the plant kingdom like algae, bryophytes, pteridophytes and gymnosperms. The gymnospermous remains often occur as detached fragments on the shale surface. The most common megafossil on Nidpur shale is the leaf genus Dicroidium which is represented by several species. The review article describes diversity in structurally preserved gymnospermous fructifications Nidistrobus, Nidianthus, Nidpuria, Chakrea, Rugatheca and Lelestrobus from the same Triassic beds of Nidpur, Madhya Pradesh, India. All the fructifications differed in morphological and anatomical features.

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Hjältén, Joakim, Jari Kouki, Anne Tolvanen, Jörgen Sjögren und Martijn Versluijs. „Ecological Restoration of the Boreal Forest in Fennoscandia“. In Advances in Global Change Research, 467–89. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-15988-6_18.

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AbstractMixed-severity disturbances have historically shaped boreal forests, creating a dynamic mosaic landscape. In Fennoscandia, however, intensive even-aged forest management has simplified the forest landscape, threatening biodiversity. To safeguard this biodiversity, we therefore need to restore structural complexity in hitherto managed forests. Knowledge generated from relevant case studies on natural disturbance emulation–based ecological restoration suggests that prescribed burning positively affects many early-successional organisms. Gap cutting benefits some insects and wood fungi but has a limited effect on birds, bryophytes, and vascular plants. Restoration of deciduous forests appears to benefit light- and deciduous tree–associated insect species and some forest birds.

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Haworth, B. J., M. R. Ashmore und A. D. Headley. „Effects of Nitrogen Deposition on Bryophyte Species Composition of Calcareous Grasslands“. In Acid Rain - Deposition to Recovery, 111–17. Dordrecht: Springer Netherlands, 2007. http://dx.doi.org/10.1007/978-1-4020-5885-1_13.

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Yelenik, Stephanie G., Carla M. D'Antonio, Evan M. Rehm und Iain R. Caldwell. „Multiple feedbacks due to biotic interactions across trophic levels can lead to persistent novel conditions that hinder restoration.“ In Plant invasions: the role of biotic interactions, 402–20. Wallingford: CABI, 2020. http://dx.doi.org/10.1079/9781789242171.0402.

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Abstract Unlike traditional successional theory, Alternate Stable Equilibrium (ASE) theory posits that more than one community state is possible in a single environment, depending on the order that species arrive. ASE theory is often invoked in management situations where initial stressors have been removed, but native-dominated communities are not returning to degraded areas. Fundamental to this theory is the assumption that equilibria are maintained by positive feedbacks between colonizers and their environment. While ASE has been relatively well studied in aquatic ecosystems, more complex terrestrial systems offer multiple challenges, including species interactions across trophic levels that can lead to multiple feedbacks. Here, we discuss ASE theory as it applies to terrestrial, invaded ecosystems, and detail a case study from Hawai'i that exemplifies how species interactions can favour the persistence of invaders, and how an understanding of interactions and feedbacks can be used to guide management. Our system includes intact native-dominated mesic forest and areas cleared for pasture, planted with non-native grasses, and later planted with a monoculture of a native nitrogen-fixing tree in an effort to restore forests. We discuss interactions between birds, understorey fruiting native species, understorey non-native grasses, soils and bryophytes in separate feedback mechanisms, and explain our efforts to identify which of these feedbacks is most important to address in a management context. Finally, we suggest that using models can help overcome some of the challenges that terrestrial ecosystems pose when studying ASE.

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Jain, Vartika, Mimosa Ghorai, Tuyelee Das und Abhijit Dey. „Anticancerous Compounds from Bryophytes: Recent Advances with Special Emphasis on Bis(bi)benzyls“. In Reference Series in Phytochemistry, 1–25. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-97415-2_3-1.

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Konferenzberichte zum Thema "Bryophytic species"

Rubtsova, A. V., und P. V. Butolin. „MATERIALS TO BRYOFLORA OF THE PLANNED PROTECTED AREA “UROCHISCHE GULEYSHURSKOE” (UDMURT REPUBLIC)“. In Prirodopol'zovanie i ohrana prirody: Ohrana pamjatnikov prirody, biologicheskogo i landshaftnogo raznoobrazija Tomskogo Priob'ja i drugih regionov Rossii. Izdatel'stvo Tomskogo gosudarstvennogo universiteta, 2020. http://dx.doi.org/10.17223/978-5-94621-954-9-2020-17.

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The article presents data on bryoflora of the protected area «Urochische Guleyshurskoe. There are 108 species of bryophytes from 67 genuses and 37 families in the bryoflora. The families Brachytheciaceae and Sphagnaceae are leading role in the bryoflora. On the territory of the protected area, 3 bryophytes were found to grow from the regional red book, and 1 species is indicated for the first time for the bryophora of Udmurtia.

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FEDOSOV, V. E., A. V. FEDOROVA, E. A. IGNATOVA und M. S. IGNATOV. „MOLECULAR PHYLOGENETIC APPROACH REVEALS SEMICRYPTIC SPECIES AMONG COMMON EPIPHYTIC BRYOPHYTES“. In 5TH MOSCOW INTERNATIONAL CONFERENCE "MOLECULAR PHYLOGENETICSAND BIODIVERSITY BIOBANKING". TORUS PRESS, 2018. http://dx.doi.org/10.30826/molphy2018-17.

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Fardhani, Indra, Erti Hamimi, Muhammad Fajar Marsuki, Susanti, Moch Ikhsan Pahlawan, Fakhrun Nisak, May Dina Zakiyah Ilma et al. „Development of preserved bryophyta specimen mounted in resin block with QR code“. In INTERNATIONAL CONFERENCE ON APPLIED COMPUTATIONAL INTELLIGENCE AND ANALYTICS (ACIA-2022). AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0125786.

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Carvalho, Braulio Fernandes de, und Glauco Souza Gomes. „RELATO DE CASO: POTENCIAL ECONÔMICO SUSTENTÁVEL EM PROPRIEDADE PRIVADA EM ALTOS-PI, BRASIL“. In I Congresso Nacional de Ciências Agrárias On-line. Revista Multidisciplinar de Educação e Meio Ambiente, 2021. http://dx.doi.org/10.51189/rema/1598.

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Introdução: Reserva Particular do Patrimônio Natural (RPPN) é uma unidade de conservação (UC) oficial de proteção integral no Estado do Piauí, a única com caráter privado (Lei Ordinária Nº 5.977 de 24/02/2010). Tem o intuito de conservar a biodiversidade e recursos naturais, além de oferecer vantagens econômicas como isenção de imposto territorial rural, além de oportunidades com ecoturismo e pagamento por serviços ambientais (Lei Nº 14.119, 13/01/2021). Objetivos: Avaliou-se os potenciais econômicos e naturais de uma propriedade particular subutilizada de 56 hectares em Altos-PI. Material e Métodos: As visitas foram feitas ao fim da estação chuvosa, em maio de 2021, no local -5.160495, -42.560679, seguindo-se o formulário estabelecido pelo ICMBio no seu roteiro de criação de RPPNs. A identificação da flora foi feita através de consultas a guias de campo e speciesLink. Resultados: Ameaças identificadas: veredas abertas por caçadores e gado, compactação do solo, circulação de terceiros, corte ilegal de madeira, erosão, cercamento e georreferenciamento incompletos. Fitofisionomias identificadas: cerradão, carrasco, brejo, cerrado rupestre e babaçual. A altitude variou de 109m a 168m. Potencial econômico: ecoturismo, balneário, pesquisa científica e pagamentos por serviços ambientais. Exemplares botânicos encontrados: Acrocomia aculeata (Macaúba), Agonandra brasiliensis sp. (Pau-marfim), 1 Anacardiaceae, Anadenanthera colubrina (Angico Branco), Astronium fraxinifolium (Gonçalo Alves), Bactris setosa (Tucun), Bromelia sp. (Croatá), Cecropia sp. (Embaúba), Cedrela sp. (Cedro), Cenostigma Macrophyllum (Caneleiro), Combretum sp. (Mufumbo), Copaifera langsdorffii (Copaíba), Copernicia prunifera (Carnaúba), Dimorphandra mollis (Fava D’anta), Genipa americana (Jenipapo), 2 Hymenaea sp. (Jatobá), Jacaranda sp. (Banha-de-galinha), Lecythis pisonis sp. (Sapucaia), 1 Melastomataceae, Orbignya speciosa (Babaçu), Parkia platycephala (Faveira), Pleroma sp. (Quaresmeira do cerrado), Spondias mombin (Cajazeira), Sterculia striata (Chichá), Tabebuia chrysotricha (Ipê amarelo), 3 Pteridophyta, 1 Philodendron, e 2 Bryophyta (sensu lato). Conclusão: O terreno apresenta diferentes fitofisionomias de cerrado, influenciadas pelas condições de solo, umidade e altitude, o que proporciona uma variedade botânica e de ambientes ideal para conservação de biodiversidade, pesquisa e ecoturismo. Recomenda-se finalizar o georreferenciamento e cercamento da área, adotar medidas para diminuir a velocidade de escoamento da água pluvial, manejar os babaçus, e dar prosseguimento na criação da RPPN em órgão responsável.

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Berichte der Organisationen zum Thema "Bryophytic species"

Hampton-Miller, Celia, und Peter Neitlich. Grazing exclosures in Bering Land Bridge National Preserve: 2012-2022 data report. National Park Service, 2024. http://dx.doi.org/10.36967/2302594.

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To monitor the impact of grazing by caribou and other ungulates on vegetation in Bering Land Bridge National Park, 17 exclosures were installed in the summer of 2012 and one in 2007. These exclosures consist of 9 by 9 m of chainlink fencing, which prevented grazers from reaching vegetation plots within. Two plots within the fencing were paired with two unexclosed plots outside the fencing. All plots were measured in 2012 for lichen, bryophyte and vascular plant cover and species composition by point intercept methods. The first remeasure of the plots took place in 2022. This report summarizes the purpose of the exclosures, the methodology, changes to the methodology over time, the data structure of the database and preliminary results of re-measure data collected in 2022.

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Inventory of lichen and bryophyte communities in the Yeon Unit of Lewis and Clark National Historical Park: Final report. National Park Service, 2023. http://dx.doi.org/10.36967/2301457.

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The 106-acre Yeon Unit of Lewis and Clark National Historic Park lies along the immediate coast eight miles north of Seaside, Oregon. The primary objective of these surveys was to capture the complete lichen and bryophyte flora of the Yeon property with focus on the remnant prairies and the salix swamp, report on any rare species observed or collected, and document the extent and population size of the rare lichen, Pannaria rubiginosa. Surveys were conducted in December 2021 and January 2022. While this report sufficiently characterizes the lichen and bryophyte flora of the Yeon property, it is not sufficient for the Sunset property. For a complete list of the non-vascular flora of the Sunset property, a more intentional survey should be conducted. Of the 46 bryophyte species recorded, none of them are considered rare by ORBIC. The species checklist reflects a bryoflora typical of Pacific Northwest coastal dune ecosystems. The collection of Dicranum rhabdocarpum needs to be verified as it is rare in Oregon and there is low confidence in the species level determination of it. The invasive moss, Camplylopus introflexus, was found throughout the site in impacted areas especially where fire management had been conducted. This moss should be monitored as it has spread throughout most areas of the dune and may displace native bryophytes and complicate ecological succession in fire/restoration areas. Lichens were found throughout the 106-acre Yeon unit, although in varying density and diversity. The fore dunes adjacent to the open sand area of the coast historically hosted the coastal prairie habitat but now this area was almost completely infested with the invasive beachgrasses Ammophila arenaria and A. breviligulata. In this area these xerophytic Ammophila species occupied nearly 100% of the terrestrial habitat and there were no trees or shrubs to provide arboreal lichen habitat. There were a few small patches of remnant prairie within the swaths of Ammophila spp. that were generally smaller than 10m?. In these areas the lichens were dominated by Cladonia, Peltigera and Scytinium species. In general, the shore pine habitat that has not been recently thinned had a dense canopy and therefore the surveyable lichen habitat had very low rates of lichen colonization. The exceptions were the areas with edge effects. The west side facing the foredunes hosted a few arboreal species. Light gaps within this forest had minimal arboreal and terrestrial species colonization. Thinned shore pine plantations had a slightly higher concentration of species richness and increased biomass due to the abundance of light that penetrates to the surveyable habitat. These were limited to fairly common species in genera such as Hypogymnia, Platismatia, and Usnea. The area with the richest lichen diversity was in the interdunal wetland and willow swamp areas. These habitats had rich and well developed cyanolichen communities.

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