Key Threatening Process Nomination Form
... 3. Description of the threatening process that distinguishes it from any other threatening process, by reference to: (i) its biological and non-biological components; ...
... 3. Description of the threatening process that distinguishes it from any other threatening process, by reference to: (i) its biological and non-biological components; ...
Large bodied fish communities and drivers of use in the shallow
... attempt to determine drivers of habitat use, ecological functions including life history stage, reproductive activity and foraging activity which may potentially influence how large bodied fishes use the habitat mosaic were investigated. A total of 1119 individuals from 26 families and 36 species w ...
... attempt to determine drivers of habitat use, ecological functions including life history stage, reproductive activity and foraging activity which may potentially influence how large bodied fishes use the habitat mosaic were investigated. A total of 1119 individuals from 26 families and 36 species w ...
Historical Range, Current Distribution, and Conservation Status of
... status of the Swift Fox, Vulpes velox, in North America. Canadian Field-Naturalist 123(4): 346–367. The Swift Fox (Vulpes velox) was once common in the shortgrass and mixed-grass prairies of the Great Plains of North America. The species’ abundance declined and its distribution retracted following E ...
... status of the Swift Fox, Vulpes velox, in North America. Canadian Field-Naturalist 123(4): 346–367. The Swift Fox (Vulpes velox) was once common in the shortgrass and mixed-grass prairies of the Great Plains of North America. The species’ abundance declined and its distribution retracted following E ...
Burrowing Owl (Athene cunicularia)
... a second (smaller) clutch. Family groups remain together until late August, then disperse to individual burrows before migrating southward in September and October. Population sizes and trends In Canada, the current (2004) minimum (known) population size is 795 individuals: 498 in Saskatchewan, 288 ...
... a second (smaller) clutch. Family groups remain together until late August, then disperse to individual burrows before migrating southward in September and October. Population sizes and trends In Canada, the current (2004) minimum (known) population size is 795 individuals: 498 in Saskatchewan, 288 ...
Working Together to Recover Boreal Caribou
... advice on the critical habitat needs of boreal caribou. This advice was published in the Scientific Review for the Identification of Critical Habitat for Woodland Caribou (Rangifer tarandus caribou), Boreal Population, in Canada. This review is available by contacting Environment Canada or visiting ...
... advice on the critical habitat needs of boreal caribou. This advice was published in the Scientific Review for the Identification of Critical Habitat for Woodland Caribou (Rangifer tarandus caribou), Boreal Population, in Canada. This review is available by contacting Environment Canada or visiting ...
Surveys, monitoring and conservation status of Southern Pygmy
... I would like to thank all of the landholders who granted us permission to access the waterways on their properties. This research was undertaken with approval of the Fisheries NSW Animal Care & Ethics Committee under permit No. ...
... I would like to thank all of the landholders who granted us permission to access the waterways on their properties. This research was undertaken with approval of the Fisheries NSW Animal Care & Ethics Committee under permit No. ...
Threatened Weta recovery plan
... little is known about their ecology, biosystematics, and/or their conservation status. Conservation management of sub-antarctic island species clearly needs to be embodied in the management plans for the islands where they occur (or Department of Conservation Conservancy Management Strategies). On t ...
... little is known about their ecology, biosystematics, and/or their conservation status. Conservation management of sub-antarctic island species clearly needs to be embodied in the management plans for the islands where they occur (or Department of Conservation Conservancy Management Strategies). On t ...
Habitat-Based Intraguild Predation By Caribbean Reef Octopus
... open (Aronson 1986, 1989). Each 25 x 25 m site contained 12 to 60 artificial shelters (double-stacked, concrete partition blocks) spaced approximately 2 m apart in a rectangular array. Each artificial shelter contained 6 crevices (4 x 9 x 30 cm, height x width x depth) that accommodate similar numbe ...
... open (Aronson 1986, 1989). Each 25 x 25 m site contained 12 to 60 artificial shelters (double-stacked, concrete partition blocks) spaced approximately 2 m apart in a rectangular array. Each artificial shelter contained 6 crevices (4 x 9 x 30 cm, height x width x depth) that accommodate similar numbe ...
3e7e74ff6a300aa8bfd7eda7ea882f59
... critical resources, as a wider level of focus. Samways (Chapter 6) takes us to the landscape level and the features of landscape architecture and change so vital for wider-scale insect conservation in all parts of the world. The theme of our second session was examination of insects as ‘model organi ...
... critical resources, as a wider level of focus. Samways (Chapter 6) takes us to the landscape level and the features of landscape architecture and change so vital for wider-scale insect conservation in all parts of the world. The theme of our second session was examination of insects as ‘model organi ...
The Kenyan hippo Kanga, Erustus Mutembei
... estates some of which are hotspots of unique biodiversity and ecosystem processes and offer excellent opportunities for ecotourism. Nonetheless, numerous changes have markedly modified both protected and non-protected areas in many of these countries in recent decades with significant consequences f ...
... estates some of which are hotspots of unique biodiversity and ecosystem processes and offer excellent opportunities for ecotourism. Nonetheless, numerous changes have markedly modified both protected and non-protected areas in many of these countries in recent decades with significant consequences f ...
Feeding-Induced Changes in Plant Quality Mediate Interspecific
... migrations also occur in which dispersing adults fly to the high marsh and produce the overwintering generation of nymphs (Denno et al. 1996). On average, 80% of the P. marginata population occurs in low-marsh Spartina during the summer, whereas the remainder stays in high-marsh habitats (Denno et a ...
... migrations also occur in which dispersing adults fly to the high marsh and produce the overwintering generation of nymphs (Denno et al. 1996). On average, 80% of the P. marginata population occurs in low-marsh Spartina during the summer, whereas the remainder stays in high-marsh habitats (Denno et a ...
a simulation of the future of kakapo
... and techniques to make the population increase rapidly (the second milestone) have been developed (Elliott et al. 2001). Kakapo are currently managed to achieve the maximum possible rate of population increase. In this paper I estimate the likely time required until the transition to less intensive ...
... and techniques to make the population increase rapidly (the second milestone) have been developed (Elliott et al. 2001). Kakapo are currently managed to achieve the maximum possible rate of population increase. In this paper I estimate the likely time required until the transition to less intensive ...
Conservation of Wildlife Populations
... Throughout I will present rules of thumb. These guidelines represent simple answers to complex questions, always a dangerous undertaking. I hope they will be useful for distilling subtle and complicated topics into the bare essence that can inform management as a starting point. Of course there will ...
... Throughout I will present rules of thumb. These guidelines represent simple answers to complex questions, always a dangerous undertaking. I hope they will be useful for distilling subtle and complicated topics into the bare essence that can inform management as a starting point. Of course there will ...
Document
... munities were caused by a combination of factors, including economic initiatives as well as oceanographic variations and competition for food. This ultimately favoured benthic cephalopod populations at the cost of most finfish populations. The present-day geographical distribution pattern of the Sep ...
... munities were caused by a combination of factors, including economic initiatives as well as oceanographic variations and competition for food. This ultimately favoured benthic cephalopod populations at the cost of most finfish populations. The present-day geographical distribution pattern of the Sep ...
Original Layout- all part.pmd
... living conditions (e.g. escaping winters or seasonal droughts) and/or by seasonal reproductive patterns (e.g. migrating to suitable breeding sites). These movements have evolved with, and thus are finely tuned to, the environment within which they occur. Migratory animals depend on a wide range of h ...
... living conditions (e.g. escaping winters or seasonal droughts) and/or by seasonal reproductive patterns (e.g. migrating to suitable breeding sites). These movements have evolved with, and thus are finely tuned to, the environment within which they occur. Migratory animals depend on a wide range of h ...
Srivastava and Bell 2009
... þ detritivore polycultures In this equation, T, S, P and O indicate the proportion of total metabolic capacity (0, 0.25, 0.5 or 1) represented by, respectively, tipulids, scirtids, Polypedilum chironomids and Orthocladiinae chironomids in a particular community. If the effects of species are purely ...
... þ detritivore polycultures In this equation, T, S, P and O indicate the proportion of total metabolic capacity (0, 0.25, 0.5 or 1) represented by, respectively, tipulids, scirtids, Polypedilum chironomids and Orthocladiinae chironomids in a particular community. If the effects of species are purely ...
sagnard_etal_2007_ecomod
... functions was not sufficient to measure the existence of recruitment limitations in plant communities, without knowledge of the spatial distribution of safe sites (Jordano and Godoy, 2002) and their saturation threshold (Nathan and Mü ller-Landau, 2000). Integrated approaches combining information o ...
... functions was not sufficient to measure the existence of recruitment limitations in plant communities, without knowledge of the spatial distribution of safe sites (Jordano and Godoy, 2002) and their saturation threshold (Nathan and Mü ller-Landau, 2000). Integrated approaches combining information o ...
abstract book - Birdmeetings.org
... W.; Extinction risk estimated for every bird adequately surveyed by the North American Breeding Bird Survey ...
... W.; Extinction risk estimated for every bird adequately surveyed by the North American Breeding Bird Survey ...
Amargosa Vole
... populations increased on study sites when voles occurred in low densities, but declined to very low numbers or extirpation when vole populations irrupted (Heske et al. 1984). Heske et al. (1984) concluded that severe behavioral interactions occurring at high vole densities was likely responsible for ...
... populations increased on study sites when voles occurred in low densities, but declined to very low numbers or extirpation when vole populations irrupted (Heske et al. 1984). Heske et al. (1984) concluded that severe behavioral interactions occurring at high vole densities was likely responsible for ...
Demographic Costs Associated with Differences in Habitat Space
... two distinctions. First, “habitat space” includes the habitat characteristics that permit the presence of a species. This habitat space represents occupancy of the species but may include space occupied by sink, as well as, source populations. Second, we define the Grinnellian niche as the subset of ...
... two distinctions. First, “habitat space” includes the habitat characteristics that permit the presence of a species. This habitat space represents occupancy of the species but may include space occupied by sink, as well as, source populations. Second, we define the Grinnellian niche as the subset of ...
Coqui frog invasions change invertebrate communities in Hawaii
... (KP and KU) because of low detectability for frogs. For these sites, we estimated density using the linear relationship between observed frogs and frog densities for the other sites (R2 = 0.9602). We could not use density as a covariate in the ANOVAs because density and site were confounded factors. ...
... (KP and KU) because of low detectability for frogs. For these sites, we estimated density using the linear relationship between observed frogs and frog densities for the other sites (R2 = 0.9602). We could not use density as a covariate in the ANOVAs because density and site were confounded factors. ...
Scavenging amphipods of the Tonga Trench
... Deep ocean trenches are formed by converging plate boundaries. Typically the denser oceanic plate will be forced under the thinner continental plate and into the mantle (Stern, 2002). This process is called subduction and can produce deep valleys (trenches) in the sea floor. Trenches are isolated fr ...
... Deep ocean trenches are formed by converging plate boundaries. Typically the denser oceanic plate will be forced under the thinner continental plate and into the mantle (Stern, 2002). This process is called subduction and can produce deep valleys (trenches) in the sea floor. Trenches are isolated fr ...
Moths and Mountains: Diversity, Altitude and Latitude
... transect, moth assemblages showed strong altitudinal stratification. A number of species were restricted to the Nothofagus moorei dominated cloud forest around 1100m a.s.l., and may be the most threatened by climatic change. The IBISCA-Qld Project produced a set of moth species that could be include ...
... transect, moth assemblages showed strong altitudinal stratification. A number of species were restricted to the Nothofagus moorei dominated cloud forest around 1100m a.s.l., and may be the most threatened by climatic change. The IBISCA-Qld Project produced a set of moth species that could be include ...
Full text in pdf format
... three 13 km long corridors were trawled 12 times within 31 to 34 h with an Engel 145 otter trawl equipped \nth rockhopper foot gear. The width of the disturbance zones created was on the order of 120 to 250 m The total biomass of invertebrate bycatch in the trawl decreased significantly over the 12 ...
... three 13 km long corridors were trawled 12 times within 31 to 34 h with an Engel 145 otter trawl equipped \nth rockhopper foot gear. The width of the disturbance zones created was on the order of 120 to 250 m The total biomass of invertebrate bycatch in the trawl decreased significantly over the 12 ...
Effects of Habitat Fragmentation on the Utilization of Ellgrass (Zostera marina) by Mobile Epifauna and Macrofauna
... patches. Fonseca and Bell ( 1998) documented decreasing percent cover, patch perimeter:area ratio, and sediment organic content with increasing wave exposure and current speed. Large and small patches may experience different local physical conditions due not only to their patch geometry (which may ...
... patches. Fonseca and Bell ( 1998) documented decreasing percent cover, patch perimeter:area ratio, and sediment organic content with increasing wave exposure and current speed. Large and small patches may experience different local physical conditions due not only to their patch geometry (which may ...