Ecological Opportunity and Adaptive Radiation
... unique phenotypes that allowed a species to interact with the environment in a novel way (i.e., key innovations; Miller 1949, Liem 1973). Simpson suggested that such traits have the potential to allow a species to diversify into a variety of niches not previously accessible and not occupied by compe ...
... unique phenotypes that allowed a species to interact with the environment in a novel way (i.e., key innovations; Miller 1949, Liem 1973). Simpson suggested that such traits have the potential to allow a species to diversify into a variety of niches not previously accessible and not occupied by compe ...
the global 200
... these MHTs and for some ecoregions of subSaharan Africa, we gave greater weight to extraordinary ecological phenomena—in these cases, examples of extensive intact habitats and large vertebrate assemblages, particularly those that still sustain top predators, large herbivores, and larger frugivores t ...
... these MHTs and for some ecoregions of subSaharan Africa, we gave greater weight to extraordinary ecological phenomena—in these cases, examples of extensive intact habitats and large vertebrate assemblages, particularly those that still sustain top predators, large herbivores, and larger frugivores t ...
Paget Marsh - Bermuda Department of Education
... • It is virtually unchanged since before humans colonised Bermuda • There are rare and unique, endemic and native plants located on the property • The marsh is of significant benefit to wildlife (e.g. migratory and resident birds) • The location of the four major habitats (pond, mangrove, sawgrass a ...
... • It is virtually unchanged since before humans colonised Bermuda • There are rare and unique, endemic and native plants located on the property • The marsh is of significant benefit to wildlife (e.g. migratory and resident birds) • The location of the four major habitats (pond, mangrove, sawgrass a ...
Fire and the Vegetation of the Lachlan Region
... A recommended fire frequency range is provided for each formation where it is possible to make recommendations. However, it is important to understand that these frequencies represent broad recommendations, based on the data that is available. Individual species (including threatened species) and id ...
... A recommended fire frequency range is provided for each formation where it is possible to make recommendations. However, it is important to understand that these frequencies represent broad recommendations, based on the data that is available. Individual species (including threatened species) and id ...
Unifying sources and sinks in ecology andEarth sciences
... climate-change research and policy. The concepts were introduced in population and community ecology with a more distinct spatial connotation for local populations or habitats in which population persistence is due to immigration of individuals (sinks) and those from which these immigrants originate ...
... climate-change research and policy. The concepts were introduced in population and community ecology with a more distinct spatial connotation for local populations or habitats in which population persistence is due to immigration of individuals (sinks) and those from which these immigrants originate ...
Brown-headed Cowbirds - American Birding Association
... Some Insights from the History of Cowbirds So what does this overview of cowbird phylogeny and our brief sojourn back to the Pleistocene tell us about how we should view cowbirds in the present? First, cowbirds have been present in North America for a long time and have had a dynamic geographic rang ...
... Some Insights from the History of Cowbirds So what does this overview of cowbird phylogeny and our brief sojourn back to the Pleistocene tell us about how we should view cowbirds in the present? First, cowbirds have been present in North America for a long time and have had a dynamic geographic rang ...
Aphid and ladybird beetle abundance depend on the interaction of
... trophic interactions, predator removals, nutrient additions, and elevated [CO2]) (Bailey et al. 2009). Similarly, the magnitude of genotypic diversity effects on communities and ecosystems are sometimes comparable to the effect size of species diversity effects (e.g., Crutsinger et al. 2006). Howeve ...
... trophic interactions, predator removals, nutrient additions, and elevated [CO2]) (Bailey et al. 2009). Similarly, the magnitude of genotypic diversity effects on communities and ecosystems are sometimes comparable to the effect size of species diversity effects (e.g., Crutsinger et al. 2006). Howeve ...
Incorporating Hydrologic Data and Ecohydrologic
... stable state sustained by different structure–function feedback mechanisms (Peterson et al., 1998; Briske et al., 2008). STMs may also identify alternative states that differ from the reference state in terms of one or more ecological processes (e.g., hydrology, nutrient cycling, energy capture and ...
... stable state sustained by different structure–function feedback mechanisms (Peterson et al., 1998; Briske et al., 2008). STMs may also identify alternative states that differ from the reference state in terms of one or more ecological processes (e.g., hydrology, nutrient cycling, energy capture and ...
Scavenging by vertebrates: behavioral, ecological, and evolutionary
... whose reproduction is tied to small carrion items provides indirect evidence for the existence of such resources. For instance, burying beetles (genus Nicrophorus; 75 species) are found throughout the northern hemisphere; their presence confirms that at least some small mammals die from other cause ...
... whose reproduction is tied to small carrion items provides indirect evidence for the existence of such resources. For instance, burying beetles (genus Nicrophorus; 75 species) are found throughout the northern hemisphere; their presence confirms that at least some small mammals die from other cause ...
Limiting Factors and Threats to the Recovery of Steelhead in the
... across the entire life cycle (gravel to gravel) rather than considering only impacts that might occur in tributaries that define the populations. In order to be as spatially explicit as possible given the time constraints of the process, the Expert Panel considered life stage specific limiting facto ...
... across the entire life cycle (gravel to gravel) rather than considering only impacts that might occur in tributaries that define the populations. In order to be as spatially explicit as possible given the time constraints of the process, the Expert Panel considered life stage specific limiting facto ...
Twenty-two years chairgroup
... especially the N/P ratio in grass and thus the digestibility. At present, we take this further by a new research project by Edward Kohi 2013) who experimentally changed the tree density in an area, while Priya Koduganti (2013) delved much deeper into the nutrient ‘giving-and-taking’ between trees an ...
... especially the N/P ratio in grass and thus the digestibility. At present, we take this further by a new research project by Edward Kohi 2013) who experimentally changed the tree density in an area, while Priya Koduganti (2013) delved much deeper into the nutrient ‘giving-and-taking’ between trees an ...
Evaluation of stem rot in 339 Bornean tree species
... these studies provide evidence that the frequency and severity of stem rot influences AGB estimates. However, there have been few systematic analyses of the interspecific variation in stem rot with respect to tree properties or environmental factors that might mediate susceptibility and engender spa ...
... these studies provide evidence that the frequency and severity of stem rot influences AGB estimates. However, there have been few systematic analyses of the interspecific variation in stem rot with respect to tree properties or environmental factors that might mediate susceptibility and engender spa ...
Native and adventive detritivores in forests of Manawatu
... Little is known about many New Zealand invertebrates, including detritivores which have a key role in the functioning of ecosystems and are threatened by habitat modification and the addition of adventive species. Detritivores are an abundant group, and, like many other New Zealand taxa, they contai ...
... Little is known about many New Zealand invertebrates, including detritivores which have a key role in the functioning of ecosystems and are threatened by habitat modification and the addition of adventive species. Detritivores are an abundant group, and, like many other New Zealand taxa, they contai ...
The effect of rabbits on conservation values
... soils, which are prone to erosion resulting from their activity. Rabbits also graze many native plants of sand dunes and sandy soils - a problem particularly for revegetation programmes. Most native invertebrate fauna appear to cope well in the presence of rabbits, but this is based on little experi ...
... soils, which are prone to erosion resulting from their activity. Rabbits also graze many native plants of sand dunes and sandy soils - a problem particularly for revegetation programmes. Most native invertebrate fauna appear to cope well in the presence of rabbits, but this is based on little experi ...
Field colonies of leaf-cutting ants select plant
... seedlings with low endophyte abundances relative to seedlings with high endophyte abundances. There is also evidence that suggests colonies newly emerging after the queen’s natal flight may have slower growth rates when fed high endophyte diets (Van Bael et al. 2012). Because emergent colonies have ...
... seedlings with low endophyte abundances relative to seedlings with high endophyte abundances. There is also evidence that suggests colonies newly emerging after the queen’s natal flight may have slower growth rates when fed high endophyte diets (Van Bael et al. 2012). Because emergent colonies have ...
Special Features in Alberta
... approach which captures the full array of physical habitats and environmental gradients will result in most components of environmental diversity, known as elements, being included in protected areas (Kavanagh et al. 1994). However, some less common elements with significant conservation value are l ...
... approach which captures the full array of physical habitats and environmental gradients will result in most components of environmental diversity, known as elements, being included in protected areas (Kavanagh et al. 1994). However, some less common elements with significant conservation value are l ...
the effects of sedimentation on rocky coast assemblages
... do not appear to be specific examples relative to rocky coasts. River catchment of land-derived materials from natural soil erosion and runoff is a major input of sediments to coastal areas (Moore 1973a, French 1997). The rate at which terrestrial sediments are washed into rivers is a function of ma ...
... do not appear to be specific examples relative to rocky coasts. River catchment of land-derived materials from natural soil erosion and runoff is a major input of sediments to coastal areas (Moore 1973a, French 1997). The rate at which terrestrial sediments are washed into rivers is a function of ma ...
a caribbean forest tapestry
... began studying the metabolism of mangroves and wet tropical forests, including their biomass and carbon sequestration. By 1962, Odum had developed whole ecosystem models with data collected in the LM and an energy language that changed the way ecologists analyzed tropical forests. During these visit ...
... began studying the metabolism of mangroves and wet tropical forests, including their biomass and carbon sequestration. By 1962, Odum had developed whole ecosystem models with data collected in the LM and an energy language that changed the way ecologists analyzed tropical forests. During these visit ...
Standard PDF - Wiley Online Library
... probability of carcass removal by vertebrates was higher for large than for small rodent carcasses. These authors suggested that this is because larger carcasses are more conspicuous (i.e. easier to find) and comparatively less exploited by decomposers due to a lower surface:volume ratio. These patt ...
... probability of carcass removal by vertebrates was higher for large than for small rodent carcasses. These authors suggested that this is because larger carcasses are more conspicuous (i.e. easier to find) and comparatively less exploited by decomposers due to a lower surface:volume ratio. These patt ...
Applying the Reference Site Model to Riparian Restoration Sites in
... as restoration success stories cannot always be considered ecologically successful (Palmer et al. 2005). One way to reconcile urban stream restoration goals is through riparian planting designs based on reference sites that recreate specific healthy, diverse, and historically relevant communities (H ...
... as restoration success stories cannot always be considered ecologically successful (Palmer et al. 2005). One way to reconcile urban stream restoration goals is through riparian planting designs based on reference sites that recreate specific healthy, diverse, and historically relevant communities (H ...
lincoln county sage grouse conservation plan
... during the early 20th century anecdotal records indicate that Sage Grouse were reasonably abundant and were a commonly used food item by at least some residents. Since the 1970’s populations have suffered significant decline, according to data collected by all pertinent agencies. The big questions a ...
... during the early 20th century anecdotal records indicate that Sage Grouse were reasonably abundant and were a commonly used food item by at least some residents. Since the 1970’s populations have suffered significant decline, according to data collected by all pertinent agencies. The big questions a ...
trait-mediated indirect interactions in a simple aquatic food web
... turn reduces consumption of the small tadpoles by another predator (Tramea) (e. g., Soluk and Collins 1988, Soluk 1993). (3) Predators alter competitive interactions between small tadpole species by differentially affecting activity levels of these species. These hypotheses thus represent TMIIs indu ...
... turn reduces consumption of the small tadpoles by another predator (Tramea) (e. g., Soluk and Collins 1988, Soluk 1993). (3) Predators alter competitive interactions between small tadpole species by differentially affecting activity levels of these species. These hypotheses thus represent TMIIs indu ...
Persistence of epiphytic lichens along a tephra-depth
... Study area. See Swanson et al. (2016) for description of sampling area, situated on the border between Chile and Argentina southeast of Volcán Puyehue along Ruta 215 in an area between Chilean and Argentinean customs stations. Plot selection. Access to the eruption zone near Volcán Puyehue was const ...
... Study area. See Swanson et al. (2016) for description of sampling area, situated on the border between Chile and Argentina southeast of Volcán Puyehue along Ruta 215 in an area between Chilean and Argentinean customs stations. Plot selection. Access to the eruption zone near Volcán Puyehue was const ...
The Vertebrate Fauna of Southern Yengo National Park and Parr
... hectares of land primarily within the catchments of the Macdonald River and Webbs Creek, north of the Sydney metropolitan area. This report compiles Atlas of NSW Wildlife data on the terrestrial vertebrate fauna of these reserves and documents the extensive systematic surveys undertaken by the Depar ...
... hectares of land primarily within the catchments of the Macdonald River and Webbs Creek, north of the Sydney metropolitan area. This report compiles Atlas of NSW Wildlife data on the terrestrial vertebrate fauna of these reserves and documents the extensive systematic surveys undertaken by the Depar ...
Biological Dynamics of Forest Fragments Project
The Biological Dynamics of Forest Fragments Project, originally called the Minimum Critical Size of Ecosystems Project is a large-scale ecological experiment looking at the effects of habitat fragmentation on tropical rainforest; it is one of the most expensive biology experiments ever run. The experiment, which was established in 1979 is located near Manaus, in the Brazilian Amazon. The project is jointly managed by the Smithsonian Institution and INPA, the Brazilian Institute for Research in the Amazon.The project was initiated in 1979 by Thomas Lovejoy to investigate the SLOSS debate. Initially named the Minimum Critical Size of Ecosystems Project, the project created forest fragments of sizes 1 hectare (2 acres), 10 hectares (25 acres), and 100 hectares (247 acres). Data were collected prior to the creation of the fragments and studies of the effects of fragmentation now exceed 25 years.As of October 2010 562 publications and 143 graduate dissertations and theses had emerged from the project.