Feral cats and the fitoaty: first population assessment of the black
... DeerCam DC300) positioned on each side of existing human (0.5–2.0 m wide) or game (< 0.5 m wide) trails. We placed cameras approximately 20–30 cm off the ground, slightly offset to prevent mutual flash, and were functional for an average of 67 days per survey. We used no bait or lure to attract wild ...
... DeerCam DC300) positioned on each side of existing human (0.5–2.0 m wide) or game (< 0.5 m wide) trails. We placed cameras approximately 20–30 cm off the ground, slightly offset to prevent mutual flash, and were functional for an average of 67 days per survey. We used no bait or lure to attract wild ...
Estimating Predation Mortality with a Three
... Improved assessment of gut data and its integration into model function Improved understanding of relationship between M, P, and cohort dynamics ...
... Improved assessment of gut data and its integration into model function Improved understanding of relationship between M, P, and cohort dynamics ...
Vacant niches in nature, ecology, and evolutionary theory: a mini
... “…if a niche is vacated, nature hastens to supply an occupant…” Later this issue was also discussed at length by Elton (1958). Hutchinson (1957, 1959) did not consider this concept illogical, either. Hence, those who contrast his opinion with that of Grinell and Elton can hardly be right. Still, the ...
... “…if a niche is vacated, nature hastens to supply an occupant…” Later this issue was also discussed at length by Elton (1958). Hutchinson (1957, 1959) did not consider this concept illogical, either. Hence, those who contrast his opinion with that of Grinell and Elton can hardly be right. Still, the ...
Modelling the distribution and interaction of introduced rodents on
... that it is undetected (a spatial error). This error may vary with other factors measured (area, settlement history, species type) or unmeasured (island visitation rate, sampling effort) in the study. Measurement of such error would be difficult (McArdle et al., 1990). The co-occurrence of species pr ...
... that it is undetected (a spatial error). This error may vary with other factors measured (area, settlement history, species type) or unmeasured (island visitation rate, sampling effort) in the study. Measurement of such error would be difficult (McArdle et al., 1990). The co-occurrence of species pr ...
Topological explanations, robustness and the multirealisability debate.
... topological properties : defined by invariance regarding to deformation Stability : reaction viz. perturbation; in the S’ associated to system S , a « perturbation » is a « deformation » Therefore, topological equivalence classes (ie shapes S* which are invariant trough continuous deformation) d ...
... topological properties : defined by invariance regarding to deformation Stability : reaction viz. perturbation; in the S’ associated to system S , a « perturbation » is a « deformation » Therefore, topological equivalence classes (ie shapes S* which are invariant trough continuous deformation) d ...
Recruitment limitation in secondary forests dominated by
... located within a 2.2 km × 0.65 km area in 14 secondary forest patches (six native and eight dominated by Ligustrum) ranging in size from 0.25 - 4 ha. Patches were selected using aerial photographs and ground surveys to fulfil two sampling needs that aided in separating spatial (dispersal related) an ...
... located within a 2.2 km × 0.65 km area in 14 secondary forest patches (six native and eight dominated by Ligustrum) ranging in size from 0.25 - 4 ha. Patches were selected using aerial photographs and ground surveys to fulfil two sampling needs that aided in separating spatial (dispersal related) an ...
The Role of Hybrid Vigor in the Replacement of
... formerly isolated lineages; thus, it differs from other conservation concerns that are often related to a lack of gene flow among population units. Also, when hybrids are reproductively and ecologically viable, their taxonomic status and that of their parental species becomes controversial, as does ...
... formerly isolated lineages; thus, it differs from other conservation concerns that are often related to a lack of gene flow among population units. Also, when hybrids are reproductively and ecologically viable, their taxonomic status and that of their parental species becomes controversial, as does ...
Deakin Research Online - DRO
... such responses to time since fire can predict the occurrence of species across broad spatial scales. We examined the response of bird species to time since fire in semiarid shrubland in southeastern Australia using data from surveys at 499 sites representing a 100-year chronosequence. We used nonlinea ...
... such responses to time since fire can predict the occurrence of species across broad spatial scales. We examined the response of bird species to time since fire in semiarid shrubland in southeastern Australia using data from surveys at 499 sites representing a 100-year chronosequence. We used nonlinea ...
Effects of Food Type, Habitat, and Fish Predation on the Relative
... In 2001 and 2002 (after round goby establishment), amphipod densities were considerably lower than in 1996 and we modified our sampling methodology. A 1 m2 quadrat was randomly placed on the substrate and four samples from each quadrat were taken using the bucket sieve method described above. Sample ...
... In 2001 and 2002 (after round goby establishment), amphipod densities were considerably lower than in 1996 and we modified our sampling methodology. A 1 m2 quadrat was randomly placed on the substrate and four samples from each quadrat were taken using the bucket sieve method described above. Sample ...
Background - Sacramento - California State University
... requirement for an experimental system in which metacommunity dynamics may be accurately assessed is satisfied. Additionally, each patch may be linked by the dispersal of multiple interacting species. As for Leibold’s second requirement, it is assumed that different insect species will respond to pr ...
... requirement for an experimental system in which metacommunity dynamics may be accurately assessed is satisfied. Additionally, each patch may be linked by the dispersal of multiple interacting species. As for Leibold’s second requirement, it is assumed that different insect species will respond to pr ...
Flat-tailed Tortoise (Pyxis planicauda)
... FWS is required to make these listing determinations “solely on the basis of the best scientific and commercial data available to [it] after conducting a review of the status of the species and after taking into account” existing efforts to protect the species. 16 U.S.C. § 1533(b)(1)(A); see also 50 ...
... FWS is required to make these listing determinations “solely on the basis of the best scientific and commercial data available to [it] after conducting a review of the status of the species and after taking into account” existing efforts to protect the species. 16 U.S.C. § 1533(b)(1)(A); see also 50 ...
Spatial and seasonal patterns of habitat partitioning
... mean lower low water (MLLW) mark was obtained by measuring the time at which each pool was isolated by the ebbing tide in November 1996. As a high tide ebbs, pools higher in the intertidal zone are isolated first, followed by middle intertidal pools, then low pools. Pools are resubmerged on the floo ...
... mean lower low water (MLLW) mark was obtained by measuring the time at which each pool was isolated by the ebbing tide in November 1996. As a high tide ebbs, pools higher in the intertidal zone are isolated first, followed by middle intertidal pools, then low pools. Pools are resubmerged on the floo ...
Ecological Character Displacement in Adaptive Radiation
... some form of replication. Testing exaggerated divergence in sympatry requires comparison of means over multiple independent sympatric and allopatric populations. Trait overdispersion is tested by comparing the size spacing of species in a community with that in a “null” distribution of phenotypes ge ...
... some form of replication. Testing exaggerated divergence in sympatry requires comparison of means over multiple independent sympatric and allopatric populations. Trait overdispersion is tested by comparing the size spacing of species in a community with that in a “null” distribution of phenotypes ge ...
Conservation Priorities for the Amphibians and Reptiles of Canada
... decline has highlighted the importance of many of these species as indicators of environmental disturbance and possible climate change. Many amphibians and reptiles are cryptic and hence rarely seen, but they often account for a large percentage of the biomass in many ecosystems. While amphibians an ...
... decline has highlighted the importance of many of these species as indicators of environmental disturbance and possible climate change. Many amphibians and reptiles are cryptic and hence rarely seen, but they often account for a large percentage of the biomass in many ecosystems. While amphibians an ...
Camera trap assessment of the mammalian assemblages within the
... CHAPTER 1: INTRODUCTION AND LITERATURE REVIEW GENERAL BACKGROUND Understanding a species’ ecology and life history is now more important than ever before. As human population increases, destruction and conversion of habitat for human use increases all over the world, and understanding how animals m ...
... CHAPTER 1: INTRODUCTION AND LITERATURE REVIEW GENERAL BACKGROUND Understanding a species’ ecology and life history is now more important than ever before. As human population increases, destruction and conversion of habitat for human use increases all over the world, and understanding how animals m ...
Frog eat frog: exploring variables influencing
... item in frog populations. However, when frogs did eat other anurans, the mean proportion of amphibian prey was only 2.9% of total prey items (max. 18.5%). Our initial analyses revealed a significant effect of superfamily on predation of anurans, whereby members of Ranoidea and Pipoidea were signific ...
... item in frog populations. However, when frogs did eat other anurans, the mean proportion of amphibian prey was only 2.9% of total prey items (max. 18.5%). Our initial analyses revealed a significant effect of superfamily on predation of anurans, whereby members of Ranoidea and Pipoidea were signific ...
Species at Risk Act
... The conservation of wildlife is a joint legal responsibility: one that is shared among the governments of Canada. But biodiversity will not be conserved by governments that act alone. The best way to secure the survival of species at risk and their habitats is through the active participation of all ...
... The conservation of wildlife is a joint legal responsibility: one that is shared among the governments of Canada. But biodiversity will not be conserved by governments that act alone. The best way to secure the survival of species at risk and their habitats is through the active participation of all ...
MULTIPLE CONTROLS OF COMMUNITY STRUCTURE AND
... Although there are a number of studies where nutrient availability and grazer abundance have been manipulated at small spatial scales (cages ,1 m2) and short temporal scales (for a review see Burkepile and Hay 2006), it is difficult to manipulate resource availability at larger scales in sublittoral ...
... Although there are a number of studies where nutrient availability and grazer abundance have been manipulated at small spatial scales (cages ,1 m2) and short temporal scales (for a review see Burkepile and Hay 2006), it is difficult to manipulate resource availability at larger scales in sublittoral ...
The future of fisheries oceanography lies in the pursuit of multiple
... variability beyond that explained by spawning-stock biomass; this variability is modelled simply as randomly distributed error in the stock– recruitment relationship. A population can be managed at a certain level, if a certain fishing mortality can be maintained. Recruitment can be measured by surv ...
... variability beyond that explained by spawning-stock biomass; this variability is modelled simply as randomly distributed error in the stock– recruitment relationship. A population can be managed at a certain level, if a certain fishing mortality can be maintained. Recruitment can be measured by surv ...
Pitfall Trapping as a Method for Studying Populations of Carabidae
... pattern of distribution in populations, the relative numbers of a species in differentvegetation types, in describing the Carabid fauna of habitats, and in work on daily rhythms of activity (Hikimiuk 1948; van der Drift 1951; Scherney 1955, 1960; Gilbert 1956; 1958; Dawson 1957; Kabacik 1957; Skuhra ...
... pattern of distribution in populations, the relative numbers of a species in differentvegetation types, in describing the Carabid fauna of habitats, and in work on daily rhythms of activity (Hikimiuk 1948; van der Drift 1951; Scherney 1955, 1960; Gilbert 1956; 1958; Dawson 1957; Kabacik 1957; Skuhra ...
Submission - Friends of Felton
... seeks to map key areas for koalas and then to take measures to ensure these are given proper protection in planning decisions. This is commendable. However reliance on a prescriptive mapping method means that known populations outside of those areas may not be considered. Other approaches are needed ...
... seeks to map key areas for koalas and then to take measures to ensure these are given proper protection in planning decisions. This is commendable. However reliance on a prescriptive mapping method means that known populations outside of those areas may not be considered. Other approaches are needed ...
An experimental framework to identify community functional
... implies difficulties to infer cause–effect relationships. A problem, which we believe is even more serious, is that CWM and FD cannot be expected to be independent from each other. Ricotta & Moretti (2011) showed, for example, that Rao Q, one of the most used FD indices, and CWM describe complementar ...
... implies difficulties to infer cause–effect relationships. A problem, which we believe is even more serious, is that CWM and FD cannot be expected to be independent from each other. Ricotta & Moretti (2011) showed, for example, that Rao Q, one of the most used FD indices, and CWM describe complementar ...
Conservation Plan for the American Oystercatcher
... United States. It is hoped that a more rigorous approach for identifying key breeding sites can be developed for future versions of the plan. As an obligate coastal species, American Oystercatcher is at risk from widespread habitat loss due to coastal development, and recreational activities that l ...
... United States. It is hoped that a more rigorous approach for identifying key breeding sites can be developed for future versions of the plan. As an obligate coastal species, American Oystercatcher is at risk from widespread habitat loss due to coastal development, and recreational activities that l ...
uncorrected page proofs
... to both questions turned out to be YES! — and to our surprise, the cell densities were actually quite high. We observed two size classes of cells under the microscope at the field camp. One class contained typically sized bacteria — around 0.5 microns. Bacteria in the other class were more abundant ...
... to both questions turned out to be YES! — and to our surprise, the cell densities were actually quite high. We observed two size classes of cells under the microscope at the field camp. One class contained typically sized bacteria — around 0.5 microns. Bacteria in the other class were more abundant ...
Are You suprised
... Distributions of invasive species are often patchy; however, the mechanisms regulating these patchy distributions are poorly understood. Organisms with short-lived larvae provide an opportunity to test whether these distributions are dispersal-limited or mediated through post-metamorphic processes. ...
... Distributions of invasive species are often patchy; however, the mechanisms regulating these patchy distributions are poorly understood. Organisms with short-lived larvae provide an opportunity to test whether these distributions are dispersal-limited or mediated through post-metamorphic processes. ...