Status Report and Assessment of Western Toad in the NWT (2014)
... females. Males may mate more than once per season, and in consecutive years, but females rarely do so and may mate only once in their lifetimes. Males may live to 11 years of age, and females to nine years of age. The western toad maintains an optimal temperature by moving among habitats or micro-si ...
... females. Males may mate more than once per season, and in consecutive years, but females rarely do so and may mate only once in their lifetimes. Males may live to 11 years of age, and females to nine years of age. The western toad maintains an optimal temperature by moving among habitats or micro-si ...
Standardized industry management practices
... effectiveness of the SIMPs will be monitored and if gaps or inadequacies become apparent, they will be updated and corrected if possible. 3. Stewardship – The SIMPs are intended to promote stewardship by providing the information to increase awareness of caribou ecology and conservation practices, a ...
... effectiveness of the SIMPs will be monitored and if gaps or inadequacies become apparent, they will be updated and corrected if possible. 3. Stewardship – The SIMPs are intended to promote stewardship by providing the information to increase awareness of caribou ecology and conservation practices, a ...
Studies on Baltic Sea mysids Martin Ogonowski Department of Systems Ecology
... known target strengths (the strength of the received echo, TS) of individual mysids for abundance estimation. Since TS is more or less proportional to the size of objects, it is important to understand how, when and where different sizes are distributed in the water column. For this reason, efforts ...
... known target strengths (the strength of the received echo, TS) of individual mysids for abundance estimation. Since TS is more or less proportional to the size of objects, it is important to understand how, when and where different sizes are distributed in the water column. For this reason, efforts ...
Conservation of Spiders (Araneae) in the Western Australian
... evenness, along with marked changes in composition of spiders with increasing postfire age. For all three measures, the assemblage appears highly deterministic, converging towards the long unburnt state. Similarity in richness, evenness and species composition to the 20-year-old sites all increased ...
... evenness, along with marked changes in composition of spiders with increasing postfire age. For all three measures, the assemblage appears highly deterministic, converging towards the long unburnt state. Similarity in richness, evenness and species composition to the 20-year-old sites all increased ...
Context dependency in acorn predation and dispersal Apodemus sylvaticus
... Earth's biodiversity results from a complex evolutionary history of interactions among organisms. Plant-animal interactions are a paradigmatic example of such ecological relationships, from antagonistic to mutualistic relationships, although determining its result might be difficult, like in the cas ...
... Earth's biodiversity results from a complex evolutionary history of interactions among organisms. Plant-animal interactions are a paradigmatic example of such ecological relationships, from antagonistic to mutualistic relationships, although determining its result might be difficult, like in the cas ...
EFFECTS OF HABITAT FRAGMENTATION ON
... habitat removal: “fragmentation . . . not only causes loss of the amount of habitat, but by creating small, isolated patches it also changes the properties of the remaining habitat” (van den Berg et al. 2001). Habitat can be removed from a landscape in many different ways, resulting in many differen ...
... habitat removal: “fragmentation . . . not only causes loss of the amount of habitat, but by creating small, isolated patches it also changes the properties of the remaining habitat” (van den Berg et al. 2001). Habitat can be removed from a landscape in many different ways, resulting in many differen ...
Recovery Strategy for the Dakota Skipper (Hesperia dacotae) in
... Recovery planning is intended to benefit species at risk and biodiversity in general. However, it is recognized that strategies may also inadvertently lead to environmental effects beyond the intended benefits. The planning process based on national guidelines directly incorporates consideration of ...
... Recovery planning is intended to benefit species at risk and biodiversity in general. However, it is recognized that strategies may also inadvertently lead to environmental effects beyond the intended benefits. The planning process based on national guidelines directly incorporates consideration of ...
Action Plan - Environment and Natural Resources
... in the boreal forests of Canada. Boreal caribou are genetically different from migratory barren-ground and behaviourally different from mountain woodland caribou. Genetically, boreal and mountain caribou are similar and are considered to be the same subspecies; they differ primarily in ‘lifestyle’. ...
... in the boreal forests of Canada. Boreal caribou are genetically different from migratory barren-ground and behaviourally different from mountain woodland caribou. Genetically, boreal and mountain caribou are similar and are considered to be the same subspecies; they differ primarily in ‘lifestyle’. ...
Ecological flexibility in a disturbed landscape
... stress and endoparasitism, through the collection of fecal samples from focal individuals. I compared these variables between and within populations to examine the potential impacts of habitat fragmentation on an ecologically adaptable primate. L. catta at Anja depended on smaller home range areas a ...
... stress and endoparasitism, through the collection of fecal samples from focal individuals. I compared these variables between and within populations to examine the potential impacts of habitat fragmentation on an ecologically adaptable primate. L. catta at Anja depended on smaller home range areas a ...
iwmc2015 abstracts - The Wildlife Society
... wildlife management problems are best resolved through multifaceted and interdisciplinary approaches that involve cooperation between researchers, managers, community, government, and industry. Wildlife scientists of the future must be trained to be capable of leading and participating in the applic ...
... wildlife management problems are best resolved through multifaceted and interdisciplinary approaches that involve cooperation between researchers, managers, community, government, and industry. Wildlife scientists of the future must be trained to be capable of leading and participating in the applic ...
Reptile Habitat Management Handbook
... which can overlap considerably. The ranges of females are often even smaller. If habitat conditions are especially suitable, adults may be remarkably sedentary and rarely cross unsuitable habitat. Individual lizards can be regularly seen in the same spot on repeated occasions, and often in successiv ...
... which can overlap considerably. The ranges of females are often even smaller. If habitat conditions are especially suitable, adults may be remarkably sedentary and rarely cross unsuitable habitat. Individual lizards can be regularly seen in the same spot on repeated occasions, and often in successiv ...
Feasibility Assessment for Reinforcing Pine Martens in England and
... marten were only found in the far north west of Scotland, with small isolated pockets in some upland areas of northern England and Wales. Populations are now recovering well and expanding back into their former ranges in Scotland, but this is not the case elsewhere in the UK. Sightings reports and o ...
... marten were only found in the far north west of Scotland, with small isolated pockets in some upland areas of northern England and Wales. Populations are now recovering well and expanding back into their former ranges in Scotland, but this is not the case elsewhere in the UK. Sightings reports and o ...
21 Gopher Tortoise Habitat - Wildlife Ecology and Conservation
... 4) As this photo of tortoise tracks at the beach shows, tortoises can also live on vegetated coastal dunes and strands. ...
... 4) As this photo of tortoise tracks at the beach shows, tortoises can also live on vegetated coastal dunes and strands. ...
Thresholds in Habitat Supply: A Review of the Literature
... such as reproduction and dispersal, which primarily influence species response to habitat change. The empirical forest studies, which are more valuable than are models as predictive tools, are relatively few, with none set in British Columbia. However, empirical evidence of threshold change in other ...
... such as reproduction and dispersal, which primarily influence species response to habitat change. The empirical forest studies, which are more valuable than are models as predictive tools, are relatively few, with none set in British Columbia. However, empirical evidence of threshold change in other ...
12 Camouflage in decorator crabs
... of defence (Hultgren and Stachowicz 2008a), these data suggest that cost−benefit tradeoffs may drive the evolution of decoration in these crabs (Hultgren and Stachowicz, 2009). These results more broadly imply that the value of camouflage as a concealment strategy is strongly influenced by constrain ...
... of defence (Hultgren and Stachowicz 2008a), these data suggest that cost−benefit tradeoffs may drive the evolution of decoration in these crabs (Hultgren and Stachowicz, 2009). These results more broadly imply that the value of camouflage as a concealment strategy is strongly influenced by constrain ...
Proceedings of the WWF-Australia Quoll Workshop
... Oil palm plantations are also an increasing threat to lowland forest areas, through clearing and habitat fragmentation. Steve described quoll trapping that was carried out in New Guinea with prototype light weight transportable traps designed for travel and local conditions. Despite intensive trappi ...
... Oil palm plantations are also an increasing threat to lowland forest areas, through clearing and habitat fragmentation. Steve described quoll trapping that was carried out in New Guinea with prototype light weight transportable traps designed for travel and local conditions. Despite intensive trappi ...
NOBANIS – Invasive Alien Species Fact Sheet Ondatra zibethicus
... From northern Finland O. zibethicus spread into Sweden, and in 1957 the species had fully occupied the lower region of the border river Torneälven (Artimo 1960). In Sweden, there have been and still are excellent possibilities of studying the dispersal rate of the O. zibethicus southwards in the cou ...
... From northern Finland O. zibethicus spread into Sweden, and in 1957 the species had fully occupied the lower region of the border river Torneälven (Artimo 1960). In Sweden, there have been and still are excellent possibilities of studying the dispersal rate of the O. zibethicus southwards in the cou ...
Conservation review of the dama gazelle
... reported observations of differing phenotypes (see Section 2.1) in the same geographical location or even in the same group of gazelles, and captive groups also display considerable variation (Figure 4); and (3) the lack of convincing geographical isolating barriers 6 which could correlate with the ...
... reported observations of differing phenotypes (see Section 2.1) in the same geographical location or even in the same group of gazelles, and captive groups also display considerable variation (Figure 4); and (3) the lack of convincing geographical isolating barriers 6 which could correlate with the ...
Botrychium echo W.H. Wagner (reflected grapefern): A Technical
... Figure 4. Distribution of the known occurrences of Botrychium echo in the states of USDA Forest Service Region 2 (R2)................................................................................................................................................. 14 Figure 5. Detailed map of the dist ...
... Figure 4. Distribution of the known occurrences of Botrychium echo in the states of USDA Forest Service Region 2 (R2)................................................................................................................................................. 14 Figure 5. Detailed map of the dist ...
ISSAP Bewick`s Swan
... Malozemelskaya tundra are in the Kolokolkova Bay (3) and on the eastern coastal tundras of Russkii Zavorot Peninsula (west coast of the Pechora Bay; 4). In the Bolshezemelskaya tundra, the main breeding areas are the maritime lowlands of Bolvanskaya Bay (5), Medynski Zavorot Peninsula (6) and the so ...
... Malozemelskaya tundra are in the Kolokolkova Bay (3) and on the eastern coastal tundras of Russkii Zavorot Peninsula (west coast of the Pechora Bay; 4). In the Bolshezemelskaya tundra, the main breeding areas are the maritime lowlands of Bolvanskaya Bay (5), Medynski Zavorot Peninsula (6) and the so ...
Alien Species Alert: Ensis directus
... The North American bivalve mollusc Ensis directus (Conrad, 1843) (Bivalvia, Pharidae) is native to the Northwest Atlantic coasts from southern Labrador to northern Florida (Bousfield, 1960; Theroux and Wigley, 1983; Swennen et al., 1985; Abbott and Morris, 2001; Turgeon et al., 2009; Vierna et al., ...
... The North American bivalve mollusc Ensis directus (Conrad, 1843) (Bivalvia, Pharidae) is native to the Northwest Atlantic coasts from southern Labrador to northern Florida (Bousfield, 1960; Theroux and Wigley, 1983; Swennen et al., 1985; Abbott and Morris, 2001; Turgeon et al., 2009; Vierna et al., ...
Bullfrog (Rana Catesbeiana) - Gt-ibma
... were too light for accurate measurement but were visually similar in size. Tadpoles were randomly assigned to treatments and buckets. No significant differences among treatments in starting tadpole size were detected. Tadpole mortality was monitored weekly for 4 wk. Dead individuals were replaced wi ...
... were too light for accurate measurement but were visually similar in size. Tadpoles were randomly assigned to treatments and buckets. No significant differences among treatments in starting tadpole size were detected. Tadpole mortality was monitored weekly for 4 wk. Dead individuals were replaced wi ...
(Microsoft PowerPoint - Per Nystr\366m Fish
... 2) Use stepwise regression to evaluate the importance of predatory fish, substratum and periphyton biomass for abundance and size distribution of crayfish 3) Use best predictors as covariates to test for differences between crayfish species with respect to their abundance and size (ANCOVA) 4) Compar ...
... 2) Use stepwise regression to evaluate the importance of predatory fish, substratum and periphyton biomass for abundance and size distribution of crayfish 3) Use best predictors as covariates to test for differences between crayfish species with respect to their abundance and size (ANCOVA) 4) Compar ...
The Vertebrate Fauna of Royal and Heathcote National Parks and
... recognised as threatened species. This ranks amongst the most fauna rich reserve complexes in NSW. Away from the mown picnic areas, car parks and busy roads is another world. One of rustling leaves, lizards basking, the white glistening off the plumage of a White-bellied Sea-Eagle gliding overhead, ...
... recognised as threatened species. This ranks amongst the most fauna rich reserve complexes in NSW. Away from the mown picnic areas, car parks and busy roads is another world. One of rustling leaves, lizards basking, the white glistening off the plumage of a White-bellied Sea-Eagle gliding overhead, ...
Understanding broad-scale vegetation patterns Abst
... While there has been substantial progress in understanding plant attributes responsible for or, at least, correlated with successful reproduction and spread of invasive plant species, our ability to predict their impacts, or even measure their impact using standardized methods, is still very rudimen ...
... While there has been substantial progress in understanding plant attributes responsible for or, at least, correlated with successful reproduction and spread of invasive plant species, our ability to predict their impacts, or even measure their impact using standardized methods, is still very rudimen ...