scoped environmental impact study
... portion of the subject property supports municipally and provincially significant natural heritage features, as identified in the City of Guelph Official Plan Amendment Number 42 (OPA 42). That portion, and all other natural features that meet the criteria for designation as natural heritage system ...
... portion of the subject property supports municipally and provincially significant natural heritage features, as identified in the City of Guelph Official Plan Amendment Number 42 (OPA 42). That portion, and all other natural features that meet the criteria for designation as natural heritage system ...
Establishing new populations 2011 September (accessible version)
... ISBN 978-1-74287-216-5 (online) For more information contact the DSE Customer Service Centre 136 186 Disclaimer This publication may be of assistance to you but the State of Victoria and its employees do not guarantee that the publication is without flaw of any kind or is wholly appropriate for your ...
... ISBN 978-1-74287-216-5 (online) For more information contact the DSE Customer Service Centre 136 186 Disclaimer This publication may be of assistance to you but the State of Victoria and its employees do not guarantee that the publication is without flaw of any kind or is wholly appropriate for your ...
Ecological niche of plant pathogens
... tasks for ecological theory, as well as for practitioners preoccupied with the control and forecasting of established and emerging diseases. Niche theory has been periodically revised, not including in an explicit way the pathogens. However, many progresses have been achieved in niche modeling of di ...
... tasks for ecological theory, as well as for practitioners preoccupied with the control and forecasting of established and emerging diseases. Niche theory has been periodically revised, not including in an explicit way the pathogens. However, many progresses have been achieved in niche modeling of di ...
The red fox in Australia—an exotic predator turned biocontrol agent
... The most important problem regarding mammal conservation in mainland Australia is the low abundance and limited distributions of many species, a legacy of an unprecedented collapse of the mammal fauna on a continental scale that unfolded following European colonisation. Two major hypotheses (not nec ...
... The most important problem regarding mammal conservation in mainland Australia is the low abundance and limited distributions of many species, a legacy of an unprecedented collapse of the mammal fauna on a continental scale that unfolded following European colonisation. Two major hypotheses (not nec ...
The intraspecific scaling of metabolic rate with body mass in fishes
... differences among species in the amount of random activity displayed in respirometers. However, after adjustment for differences in measurement temperature (see Data and statistical analyses) we detected no effect of author classification of metabolic state (i.e. SMR vs. RMR) on b or metabolic level ...
... differences among species in the amount of random activity displayed in respirometers. However, after adjustment for differences in measurement temperature (see Data and statistical analyses) we detected no effect of author classification of metabolic state (i.e. SMR vs. RMR) on b or metabolic level ...
Biological Synopsis
... as there is an increase in fecundity and survival, however, growing large must outweigh any disadvantages (Pratt 2005). The growth of a coffin box colony is indeterminate, as it continues to expand peripherally with the production of new buds (Harvell et al. 1990, Harvell and Helling 1993). Overgrow ...
... as there is an increase in fecundity and survival, however, growing large must outweigh any disadvantages (Pratt 2005). The growth of a coffin box colony is indeterminate, as it continues to expand peripherally with the production of new buds (Harvell et al. 1990, Harvell and Helling 1993). Overgrow ...
Ecological impacts of invasive cane toads
... attempt to eat toads. However, populations of smaller predator species are unaffected; some individuals are fatally poisoned, but most survive (because small toads contain far less toxin than large adult toads) and learn to avoid toads thereafter. Most Australian birds and rodents have inherited a t ...
... attempt to eat toads. However, populations of smaller predator species are unaffected; some individuals are fatally poisoned, but most survive (because small toads contain far less toxin than large adult toads) and learn to avoid toads thereafter. Most Australian birds and rodents have inherited a t ...
Heterogeneity
... • Locally, burning seemed to have higher heterogeneity than grazing, whilst the corollary was true at a regional scale. • Overall, untreated local plots had the most heterogeneity, but regional responses varied to a large degree, depending on season of burning (spring burning then grazing increased ...
... • Locally, burning seemed to have higher heterogeneity than grazing, whilst the corollary was true at a regional scale. • Overall, untreated local plots had the most heterogeneity, but regional responses varied to a large degree, depending on season of burning (spring burning then grazing increased ...
Habitat heterogeneity, biogenic disturbance, and
... community body size were assessed using the mean body size across species for each core. Each of the biotic and abiotic variables was regressed against distance from the cliff face using general linear models in JMP statistical software (SAS Institute 1989–2007). ANCOVA was utilized to test for diff ...
... community body size were assessed using the mean body size across species for each core. Each of the biotic and abiotic variables was regressed against distance from the cliff face using general linear models in JMP statistical software (SAS Institute 1989–2007). ANCOVA was utilized to test for diff ...
4.10 - City of Chowchilla
... The Planning Area’s summers are hot and dry while winters are mild. Precipitation is highly variable from year to year; City of Chowchilla rainfall averages 11.32 inches per year (Western Regional Climate Center 2008). Mean annual temperature is about 59 to 62 degrees Fahrenheit. The mean freeze-fre ...
... The Planning Area’s summers are hot and dry while winters are mild. Precipitation is highly variable from year to year; City of Chowchilla rainfall averages 11.32 inches per year (Western Regional Climate Center 2008). Mean annual temperature is about 59 to 62 degrees Fahrenheit. The mean freeze-fre ...
Using the functional response of a consumer to predict biotic L
... Surprisingly, functional responses have not been used to make quantitative predictions about biotic resistance. We parameterized the functional response of signal crayfish (Pacifastacus leniusculus) to invasive New Zealand mud snails (Potamopyrgus antipodarum; NZMS) and used this functional response ...
... Surprisingly, functional responses have not been used to make quantitative predictions about biotic resistance. We parameterized the functional response of signal crayfish (Pacifastacus leniusculus) to invasive New Zealand mud snails (Potamopyrgus antipodarum; NZMS) and used this functional response ...
Document
... 7 were larger in mixed than in single species populations. Our data provide no support for 8 reproductive interference as a mechanism of competitive displacement and instead suggest 9 competitive exclusion of A. pallipes from refuges by P. leniusculus leading to differential 10 predation. We screene ...
... 7 were larger in mixed than in single species populations. Our data provide no support for 8 reproductive interference as a mechanism of competitive displacement and instead suggest 9 competitive exclusion of A. pallipes from refuges by P. leniusculus leading to differential 10 predation. We screene ...
A review of factors limiting recovery of Pacific herring stocks in Canada
... decline during the past decade (Figure 2a) and at least three have dropped below the BLRP with no signs of recovery, despite annual fishing closures (Schweigert et al., 2009b). Consequently, it appears that ecosystem forcing, such as food supply (bottom-up), predation (top-down), or competition, rat ...
... decline during the past decade (Figure 2a) and at least three have dropped below the BLRP with no signs of recovery, despite annual fishing closures (Schweigert et al., 2009b). Consequently, it appears that ecosystem forcing, such as food supply (bottom-up), predation (top-down), or competition, rat ...
roundtable session 2a: national legislation, eu directives and
... Conservation of native species and their habitats In Italy, freshwater crayfish have usually been considered with fishes, under national and regional laws regulating inland fishing activities (GHERARDI et al., 1999). However, the most recent national law regarding fishing in inland waters is a Royal ...
... Conservation of native species and their habitats In Italy, freshwater crayfish have usually been considered with fishes, under national and regional laws regulating inland fishing activities (GHERARDI et al., 1999). However, the most recent national law regarding fishing in inland waters is a Royal ...
Action
... * Identify and obtain relevant existing databases, eg. soils, vegetation, asset management studies * Identify data gaps in existing databases. * Complete required studies, and build on existing databases. Information to include, size, location, species inventory, condition and type of habitat. * Ide ...
... * Identify and obtain relevant existing databases, eg. soils, vegetation, asset management studies * Identify data gaps in existing databases. * Complete required studies, and build on existing databases. Information to include, size, location, species inventory, condition and type of habitat. * Ide ...
Practical implementation of species` recovery plans
... explain the target levels achieved. However qualitative data from both the interviews and the survey highlight possible implementation obstacles: competing interests with other conservation actions and the level of engagement of particular implementing actors. Therefore we suggest that for successfu ...
... explain the target levels achieved. However qualitative data from both the interviews and the survey highlight possible implementation obstacles: competing interests with other conservation actions and the level of engagement of particular implementing actors. Therefore we suggest that for successfu ...
saving the flagship species
... borderless. Their ecological status in the web of nature has significant potential to bring multilateral actions for protecting not only the species but also wide habitats for many other species. Thus, addressing challenges in the life of the flagship species requires connecting policies and actions ...
... borderless. Their ecological status in the web of nature has significant potential to bring multilateral actions for protecting not only the species but also wide habitats for many other species. Thus, addressing challenges in the life of the flagship species requires connecting policies and actions ...
pdf reprint
... to recognize that fragment size changed community structure (Bond 1957). In theoretical studies, Preston (1962) connected species–area relationships on islands to nature reserves, whose fragmentation – reduced size and increased isolation – would inevitably reduce abundances and reduce species richn ...
... to recognize that fragment size changed community structure (Bond 1957). In theoretical studies, Preston (1962) connected species–area relationships on islands to nature reserves, whose fragmentation – reduced size and increased isolation – would inevitably reduce abundances and reduce species richn ...
Forest Impacts and Ecosystem Effects of the Hemlock Woolly Adelgid... Southeastern Naturalist
... because of toxins in their skin (Brodie 1968, Hurlbert 1970, Uhler 1939). Many potential diurnal predators including Charadrius vociferus L. (Killdeer), Buteo jamaicensis Gmelin (Red-tailed Hawk), Falco sparverius L. (American Kestrel), and Thamnophis sirtalis L. (Common Garter Snake) find Red Efts ...
... because of toxins in their skin (Brodie 1968, Hurlbert 1970, Uhler 1939). Many potential diurnal predators including Charadrius vociferus L. (Killdeer), Buteo jamaicensis Gmelin (Red-tailed Hawk), Falco sparverius L. (American Kestrel), and Thamnophis sirtalis L. (Common Garter Snake) find Red Efts ...
The relative dominance hypothesis explains interaction dynamics in mixed species /
... Schwinning & Weiner 1998), the amount of competition a tree experiences is also a function of the sizes and proximities of its neighbours (Mack & Harper 1977; Weiner 1982, 1984; Silander & Pacala 1985; Goldberg 1987). The influence of neighbourhood competition on plant growth has been well documente ...
... Schwinning & Weiner 1998), the amount of competition a tree experiences is also a function of the sizes and proximities of its neighbours (Mack & Harper 1977; Weiner 1982, 1984; Silander & Pacala 1985; Goldberg 1987). The influence of neighbourhood competition on plant growth has been well documente ...
The Effect of Density-Independent Mortality on the Coexistence of
... Equations (5) assume a symmetric state where the two competitors differ in the resource they capture most effectively and have mirror image consumption rates. If both species capture resource i at a greater rate than resource j, then a low enough value of d implies that resource j is the only resour ...
... Equations (5) assume a symmetric state where the two competitors differ in the resource they capture most effectively and have mirror image consumption rates. If both species capture resource i at a greater rate than resource j, then a low enough value of d implies that resource j is the only resour ...
Avian top predator and the landscape of fear: responses of
... which eagles and mesopredators move about, as it is not plausible that eagles would reduce mesopredator numbers far outside their territory limits. Density variables TD and FD approach zero quite quickly when moving further away from the territory core area, but their advantage is that they are able ...
... which eagles and mesopredators move about, as it is not plausible that eagles would reduce mesopredator numbers far outside their territory limits. Density variables TD and FD approach zero quite quickly when moving further away from the territory core area, but their advantage is that they are able ...
participants of the dartmouth biology fsp 2013
... Dartmouth College runs an annual 9-10 week ecological field research program in Costa Rica and the Caribbean. Manuscripts from the research projects in this program have been published in the annual volume “Dartmouth Studies in Tropical Ecology” since 1989. Copies are held in the Dartmouth library a ...
... Dartmouth College runs an annual 9-10 week ecological field research program in Costa Rica and the Caribbean. Manuscripts from the research projects in this program have been published in the annual volume “Dartmouth Studies in Tropical Ecology” since 1989. Copies are held in the Dartmouth library a ...
The role of interspecific competition and hybridization in phenotypic
... In this thesis, I investigate phenotypic evolution in three taxa of Passer sparrows by comparing trait values in sympatric and allopatric populations. The first taxon, the house sparrow (Passer domesticus) is a human-commensal sparrow, with a worldwide distribution. Originating in the Middle East, t ...
... In this thesis, I investigate phenotypic evolution in three taxa of Passer sparrows by comparing trait values in sympatric and allopatric populations. The first taxon, the house sparrow (Passer domesticus) is a human-commensal sparrow, with a worldwide distribution. Originating in the Middle East, t ...
ZOOPLANKTON STRUCTURE AND DYNAMICS IN MEDITERRANEAN MARSHES (EMPORDÀ WETLANDS): A SIZE-BASED APPROACH
... 4.2.1. Physical and chemical characteristics of basin 5 .................................. 4.2.2. Linear and curved shapes...................................................................... 4.2.3. Correlation between model parameters and environmental variables .. 4.2.4. Stepped shapes .......... ...
... 4.2.1. Physical and chemical characteristics of basin 5 .................................. 4.2.2. Linear and curved shapes...................................................................... 4.2.3. Correlation between model parameters and environmental variables .. 4.2.4. Stepped shapes .......... ...