
Western Grassland Reserves interim management
... The Victorian Government is reserving 15,000 hectares of land to protect native grasslands in Melbourne’s west. Natural grasslands are some of the most important areas for conservation in Australia. The grasslands of Victoria’s fertile volcanic plain once extended from Melbourne almost to South Aust ...
... The Victorian Government is reserving 15,000 hectares of land to protect native grasslands in Melbourne’s west. Natural grasslands are some of the most important areas for conservation in Australia. The grasslands of Victoria’s fertile volcanic plain once extended from Melbourne almost to South Aust ...
Téléchargement
... hampered by lack of reliable methods of estimating age. Recent advances in validating the daily nature of micro-growth increments in the cephalopod statolith (Dawe et al., 1985; Hurley et al., 1985; Lipinski, 1986; Yang et al., 1986) now enable age to be determined with reasonable confidence. Studie ...
... hampered by lack of reliable methods of estimating age. Recent advances in validating the daily nature of micro-growth increments in the cephalopod statolith (Dawe et al., 1985; Hurley et al., 1985; Lipinski, 1986; Yang et al., 1986) now enable age to be determined with reasonable confidence. Studie ...
Consumer diversity interacts with prey defenses to drive ecosystem
... consumed a green alga, with almost no diet overlap among these groups. The two most chemically rich, allelopathic algae were each consumed by a single, but different, fish species. This striking complementarity resulted from herbivore species differing in their tolerances to macroalgal chemical and s ...
... consumed a green alga, with almost no diet overlap among these groups. The two most chemically rich, allelopathic algae were each consumed by a single, but different, fish species. This striking complementarity resulted from herbivore species differing in their tolerances to macroalgal chemical and s ...
Full Text
... remotely operated vehicles. In the bathyal zone, the consumption of whale carrion (up to 160 metric tons in the case of blue whale, Balaenoptera musculus, carcasses) passes typically through three main stages. The first stage, which lasts months to approximately 5 years, is dominated my mobile consu ...
... remotely operated vehicles. In the bathyal zone, the consumption of whale carrion (up to 160 metric tons in the case of blue whale, Balaenoptera musculus, carcasses) passes typically through three main stages. The first stage, which lasts months to approximately 5 years, is dominated my mobile consu ...
Relationships between soil fungal and woody plant assemblages
... and Tedersoo et al. (2014, 2015) found that diversities of plants were more strongly correlated with those of fungal biotrophs, such as mycorrhizal and pathogenic fungi, than with those of saprotrophic fungi in examined ecosystems. Taken together, the lack of resemblance of plant and microbial diver ...
... and Tedersoo et al. (2014, 2015) found that diversities of plants were more strongly correlated with those of fungal biotrophs, such as mycorrhizal and pathogenic fungi, than with those of saprotrophic fungi in examined ecosystems. Taken together, the lack of resemblance of plant and microbial diver ...
Peckarsky et al. (2008) - Rocky Mountain Biological Laboratory
... populations during the ‘‘low phase’’ of the cycle when predator densities are low (Cary and Keith 1979, Boonstra et al. 1998b). The observation that hare fecundity remains low for several years following periods of high predator density (Keith 1990, Stefan and Krebs 2001) suggests that females survi ...
... populations during the ‘‘low phase’’ of the cycle when predator densities are low (Cary and Keith 1979, Boonstra et al. 1998b). The observation that hare fecundity remains low for several years following periods of high predator density (Keith 1990, Stefan and Krebs 2001) suggests that females survi ...
Chipmunk, Peñasco least
... (Findley et al. 1975; Hoffmeister 1986). Though T. minimus is considered a generalist species, distinct population segments and subspecies may evolve unique adaptations to their local environment (Frey and Boykin 2007). Least chipmunk biology. The average life span of the least chipmunk is 0.7 years ...
... (Findley et al. 1975; Hoffmeister 1986). Though T. minimus is considered a generalist species, distinct population segments and subspecies may evolve unique adaptations to their local environment (Frey and Boykin 2007). Least chipmunk biology. The average life span of the least chipmunk is 0.7 years ...
View PDF - CiteSeerX
... Eggs were observed in all ponds. Larvae were observed in 23 (72%) out of the 32 study ponds. In all ponds where embryo abundance was classified as very high, larvae were caught in 16% to 100% of the dipnet sweeps. Larvae were not observed in nine ponds categorised low to high in embryo abundance. Mo ...
... Eggs were observed in all ponds. Larvae were observed in 23 (72%) out of the 32 study ponds. In all ponds where embryo abundance was classified as very high, larvae were caught in 16% to 100% of the dipnet sweeps. Larvae were not observed in nine ponds categorised low to high in embryo abundance. Mo ...
The Role of Waterlogging in Maintaining Forb
... final year of the experiment were analyzed with a twoway nested ANOVA considering site and drainage treatment our main effects, with plots nested within site and drainage treatment using JMP, version 3.1 ...
... final year of the experiment were analyzed with a twoway nested ANOVA considering site and drainage treatment our main effects, with plots nested within site and drainage treatment using JMP, version 3.1 ...
Arctic fox conservation ecology - Norsk institutt for naturforskning
... northern Siberia, Alaska, Canada, plus Svalbard, Greenland, Iceland and many other arctic islands (Hersteinsson & MacDonald 1992). Throughout this range they are common with the clear exception of Fennoscandia where they are very rare. Arctic foxes have been protected since 1928 in Sweden, 1930 in N ...
... northern Siberia, Alaska, Canada, plus Svalbard, Greenland, Iceland and many other arctic islands (Hersteinsson & MacDonald 1992). Throughout this range they are common with the clear exception of Fennoscandia where they are very rare. Arctic foxes have been protected since 1928 in Sweden, 1930 in N ...
Environmental filtering of crustacean zooplankton
... To test the paradigm that large-bodied zooplankton species dominate in fishless lakes, we evaluated crustacean zooplankton composition of 53 fishless boreal lakes across a broad geographic scale (north-west Saskatchewan, Canada) in relation to contemporary environmental factors. Lake productivity, a ...
... To test the paradigm that large-bodied zooplankton species dominate in fishless lakes, we evaluated crustacean zooplankton composition of 53 fishless boreal lakes across a broad geographic scale (north-west Saskatchewan, Canada) in relation to contemporary environmental factors. Lake productivity, a ...
Mass-Scaled Rates of Respiration and Intrinsic
... the same mass. Mass-specific rates of small metazoans and protozoans are lowered accordingly; therefore, their total food and oxygen consumption is likely to be small relative to that of large metazoans in average pelagic and benthic communities where most of the biomass is in large animals. The exp ...
... the same mass. Mass-specific rates of small metazoans and protozoans are lowered accordingly; therefore, their total food and oxygen consumption is likely to be small relative to that of large metazoans in average pelagic and benthic communities where most of the biomass is in large animals. The exp ...
Socioecological adaptations by chimpanzees, Pan troglodytes verus
... 2009), with ecological factors sometimes influencing age and sex classes differently (Chapman et al. 1995). In view of their importance, quantitative data on socioecological factors that underlie grouping decisions and activity budgets in both cropland and wild habitats are surprisingly scarce. Our a ...
... 2009), with ecological factors sometimes influencing age and sex classes differently (Chapman et al. 1995). In view of their importance, quantitative data on socioecological factors that underlie grouping decisions and activity budgets in both cropland and wild habitats are surprisingly scarce. Our a ...
Wood Thrush,Hylocichla mustelina - Registre public des espèces en
... Reasons for designation: In Canada, this forest-nesting species has shown significant long- and short-term declines in population abundance. The species is threatened by habitat loss on its wintering grounds and habitat fragmentation and degradation on its breeding grounds. It also suffers from high ...
... Reasons for designation: In Canada, this forest-nesting species has shown significant long- and short-term declines in population abundance. The species is threatened by habitat loss on its wintering grounds and habitat fragmentation and degradation on its breeding grounds. It also suffers from high ...
The Reconstruction of Hominid - Center for Evolutionary Psychology
... united Kepler's laws of planetary motion with the previously unconnected dynamics of terrestrial falling bodies. Einstein's theory of general relativity was validated by looking for a minor deviation in the apparent location of a star during a solar eclipse-a previously unlooked for and otherwise mi ...
... united Kepler's laws of planetary motion with the previously unconnected dynamics of terrestrial falling bodies. Einstein's theory of general relativity was validated by looking for a minor deviation in the apparent location of a star during a solar eclipse-a previously unlooked for and otherwise mi ...
When Good Animals Love Bad Habitats: Ecological Traps and the
... theory, in which the development of theory preceded the application of concepts to specific systems, the ecological trap concept has, for the last three decades, been applied piecemeal to a variety of case studies in the absence of any overarching theoretical framework. This lack has not gone unnoti ...
... theory, in which the development of theory preceded the application of concepts to specific systems, the ecological trap concept has, for the last three decades, been applied piecemeal to a variety of case studies in the absence of any overarching theoretical framework. This lack has not gone unnoti ...
Ant-mediated seed dispersal - Scholar Press
... & REY 2009, NESS & al. 2009), including: (a) Effective dispersers – which ecological, morphological and behavioral traits make an ant species a keystone disperser for myrmecochorous plants? Which of these traits are sufficiently variable (especially among ant species) and can be targeted by myrmecoc ...
... & REY 2009, NESS & al. 2009), including: (a) Effective dispersers – which ecological, morphological and behavioral traits make an ant species a keystone disperser for myrmecochorous plants? Which of these traits are sufficiently variable (especially among ant species) and can be targeted by myrmecoc ...
Gelatinous plankton: irregularities rule the world (sometimes)
... phytoplanktonic algae they feed upon (Fig. la). There are few exceptions to this rule, as conceivably parthenogenesis generates faster population growth (Cole 1954). However, basic differences in growth rates of phytoplankton (h) and zooplankton (d) can often lead to poor trophic phasing (Fig. lb) ( ...
... phytoplanktonic algae they feed upon (Fig. la). There are few exceptions to this rule, as conceivably parthenogenesis generates faster population growth (Cole 1954). However, basic differences in growth rates of phytoplankton (h) and zooplankton (d) can often lead to poor trophic phasing (Fig. lb) ( ...
04
... conservation of rare plants. When interfaced with our GIS software this geographic data helps to guide surveys and conservation management. NRS are continuing to build a rare plant database to guide future projects. NRS also use field mapping for those places where GPS units do not work. Geographic ...
... conservation of rare plants. When interfaced with our GIS software this geographic data helps to guide surveys and conservation management. NRS are continuing to build a rare plant database to guide future projects. NRS also use field mapping for those places where GPS units do not work. Geographic ...
gordonetal2015eco
... using mainly red myotomal muscle, which enables fish to maintain constant speed locomotion for extended periods of time (>200 min) with little fatigue (Beamish 1978; Webb 1994; Breen et al. 2004). This swim type is most likely important in long-distance movement or migration. Prolonged swimming incl ...
... using mainly red myotomal muscle, which enables fish to maintain constant speed locomotion for extended periods of time (>200 min) with little fatigue (Beamish 1978; Webb 1994; Breen et al. 2004). This swim type is most likely important in long-distance movement or migration. Prolonged swimming incl ...