Effects of predator richness on prey suppression: a metaanalysis
... Analysis.—Analyses were performed in the R package nlme (available online).5 In all statistical models, we accounted for the fact that several independent experiments were included within some studies (resulting from, e.g., inclusion of factors orthogonal to species richness) by fitting a mixed model ...
... Analysis.—Analyses were performed in the R package nlme (available online).5 In all statistical models, we accounted for the fact that several independent experiments were included within some studies (resulting from, e.g., inclusion of factors orthogonal to species richness) by fitting a mixed model ...
Heathlands confronting global change: drivers of biodiversity loss
... shrubs that develop over nutrient-poor soils. Interest in the preservation of these habitats in Europe has increased over the last decades, but over this time there has been a general decline in habitat quality, affecting community structure, ecosystem functions and biodiversity. Negative drivers th ...
... shrubs that develop over nutrient-poor soils. Interest in the preservation of these habitats in Europe has increased over the last decades, but over this time there has been a general decline in habitat quality, affecting community structure, ecosystem functions and biodiversity. Negative drivers th ...
species replacement during early secondary succession
... winter annual, Senecio sylvaticus, during early secondary succession. Following clear-cut logging and slash burning of forests of the Cascade and Coast Ranges of Oregon, Senecio sylvaticus becomes very abundant, often dominant, 2 yr after disturbance, but declines precipitously in abundance in year ...
... winter annual, Senecio sylvaticus, during early secondary succession. Following clear-cut logging and slash burning of forests of the Cascade and Coast Ranges of Oregon, Senecio sylvaticus becomes very abundant, often dominant, 2 yr after disturbance, but declines precipitously in abundance in year ...
14.1 Habitat And Niche
... What might cause exponential growth to occur only for a short period when a new species is introduced to a resource filled environment. • Eventually, the growing population will consume all the resources, and the species may experience a population ...
... What might cause exponential growth to occur only for a short period when a new species is introduced to a resource filled environment. • Eventually, the growing population will consume all the resources, and the species may experience a population ...
Pumpkinseed (Lepomis gibbosus)
... Comments (include list of impacts in your comments): There is currently little evidence of ecological impact in GB (Copp et al. 2010; Vilizzi et al. 2012; Stakėnas et al. 2013); however this could change under predicted climatic models. This species has the potential to be competitor with native fis ...
... Comments (include list of impacts in your comments): There is currently little evidence of ecological impact in GB (Copp et al. 2010; Vilizzi et al. 2012; Stakėnas et al. 2013); however this could change under predicted climatic models. This species has the potential to be competitor with native fis ...
recent studies
... Implicit in the “let nature do it” approach of no intervention is that if left alone the system will return to some former more desirable state. However, there is considerable evidence that ecosystems do not generally have a single characteristic state (Scheffer et al. 2001) and therefore we may be ...
... Implicit in the “let nature do it” approach of no intervention is that if left alone the system will return to some former more desirable state. However, there is considerable evidence that ecosystems do not generally have a single characteristic state (Scheffer et al. 2001) and therefore we may be ...
The Euglena gracilis chloroplast rpoB gene
... We are interested in the relationship between chloroplast genes for RNA polymerase subunits and the known chloroplast polymerase activities. Antibodies against fusion proteins that contained fragments of the chloroplast genes rpoA from spinach, rpoB from tobacco, and rpoC2 from Euglena, were able to ...
... We are interested in the relationship between chloroplast genes for RNA polymerase subunits and the known chloroplast polymerase activities. Antibodies against fusion proteins that contained fragments of the chloroplast genes rpoA from spinach, rpoB from tobacco, and rpoC2 from Euglena, were able to ...
Rusty Crayfish (Orconectes rusticus) - GB non
... One notable distinction in the reproductive biology of O. rusticus is its ability to lay eggs at lower temperatures relative to competing crayfish, enabling a “head-start” in population growth for a season; it can begin laying eggs at 4oC which is a lower temperature that any other species recorded. ...
... One notable distinction in the reproductive biology of O. rusticus is its ability to lay eggs at lower temperatures relative to competing crayfish, enabling a “head-start” in population growth for a season; it can begin laying eggs at 4oC which is a lower temperature that any other species recorded. ...
An empirical model for the prediction of secondary production in
... studied at the bottom of the Baltic Sea (Tb= -0.5 "C, T, = 6.1 "C; Highsmith & Coyle 1991), and very high in a coastal sampling station off the coast of Florida, USA (Tb = TS = 22.6"C; Mitchell et al. 1991). The biomass turnover rate or PIB varied from as little as 0.17 to as much as 23. The full da ...
... studied at the bottom of the Baltic Sea (Tb= -0.5 "C, T, = 6.1 "C; Highsmith & Coyle 1991), and very high in a coastal sampling station off the coast of Florida, USA (Tb = TS = 22.6"C; Mitchell et al. 1991). The biomass turnover rate or PIB varied from as little as 0.17 to as much as 23. The full da ...
Patterns and Consequences of Interspecific Competition
... fitness of a single species at a single time and site. Despite the limited data base to address more complex questions about competitive interactions, we did find consistent results for a few of the questions we reviewed. Where tested, competition always had significant effects on distribution patte ...
... fitness of a single species at a single time and site. Despite the limited data base to address more complex questions about competitive interactions, we did find consistent results for a few of the questions we reviewed. Where tested, competition always had significant effects on distribution patte ...
Conservation Planning And Research Program Report 2011–13
... Canberra. • Conservation advice for policy, land management and planning – provide information for planning, policy and management programs for the protection of the ACT’s terrestrial and aquatic ecosystems and ensuring it is based on sound scientific information, research, regulation and licensing ...
... Canberra. • Conservation advice for policy, land management and planning – provide information for planning, policy and management programs for the protection of the ACT’s terrestrial and aquatic ecosystems and ensuring it is based on sound scientific information, research, regulation and licensing ...
Conservation Planning And Research Program Report 2011–13
... Canberra. • Conservation advice for policy, land management and planning – provide information for planning, policy and management programs for the protection of the ACT’s terrestrial and aquatic ecosystems and ensuring it is based on sound scientific information, research, regulation and licensing ...
... Canberra. • Conservation advice for policy, land management and planning – provide information for planning, policy and management programs for the protection of the ACT’s terrestrial and aquatic ecosystems and ensuring it is based on sound scientific information, research, regulation and licensing ...
report of the first meeting of the ad hoc technical expert group
... Gene flow between different species should be considered for all of the LM mosquito technologies in spite of the fact that mosquitoes, like other insects, typically have strong reproductive isolating mechanisms that will not allow interspecific gene flow. Identifying the key reproductive isolating m ...
... Gene flow between different species should be considered for all of the LM mosquito technologies in spite of the fact that mosquitoes, like other insects, typically have strong reproductive isolating mechanisms that will not allow interspecific gene flow. Identifying the key reproductive isolating m ...
Vegetation succession in old fields at broad landscape scales
... themselves. This implies internal the importance of forces and mechanisms such as competition, shade generation and soil modification (Glenn-Lewin et al. 1992). In allogenic succession, the changes are brought about by external factors. Long-term vegetation responses to climatic change or river delt ...
... themselves. This implies internal the importance of forces and mechanisms such as competition, shade generation and soil modification (Glenn-Lewin et al. 1992). In allogenic succession, the changes are brought about by external factors. Long-term vegetation responses to climatic change or river delt ...
Characterisation of hexon and fibre genes of a novel strain of
... keratoconjunctivitis, Ad35 or a novel strain like M86 (Ad35+11) has never been reported as an ocular pathogen.5 Therefore, this strain was subjected to a detailed study at the molecular level. Viral DNA extraction and restriction endonuclease analysis of M86 with BamHI, BglII, BstEII, EcoRI, HindIII ...
... keratoconjunctivitis, Ad35 or a novel strain like M86 (Ad35+11) has never been reported as an ocular pathogen.5 Therefore, this strain was subjected to a detailed study at the molecular level. Viral DNA extraction and restriction endonuclease analysis of M86 with BamHI, BglII, BstEII, EcoRI, HindIII ...
Weasel - Ministry of Environment
... Four-year-old least weasels and ermines have been documented, but few attain that age in the wild and the average life expectancy after independence for both species is less than two years. There is no comparable information for long-tailed weasels, but they may be somewhat longer lived. Prey abunda ...
... Four-year-old least weasels and ermines have been documented, but few attain that age in the wild and the average life expectancy after independence for both species is less than two years. There is no comparable information for long-tailed weasels, but they may be somewhat longer lived. Prey abunda ...
Enhancing species distribution modeling by characterizing predator
... environmental variables and multispecies interactions used to describe species geographic distribution. It is now customary to employ species distribution models (SDMs) that use environmental variables in conjunction with species location information to characterize species’ niches and map their geo ...
... environmental variables and multispecies interactions used to describe species geographic distribution. It is now customary to employ species distribution models (SDMs) that use environmental variables in conjunction with species location information to characterize species’ niches and map their geo ...
Full Text - Journal of Pharmaceutical, Chemical and
... was isolated from G. biloba leaves by PCR technology. The open reading frame (ORF) of GbANR was 1023 bp, encoding 340 amino acids, and the molecular weight was 37.38 kDa, with the isoelectric point of 5.87. Bioinformatics analysis showed that the deduced GbANR shared more than 50% identity with ANR ...
... was isolated from G. biloba leaves by PCR technology. The open reading frame (ORF) of GbANR was 1023 bp, encoding 340 amino acids, and the molecular weight was 37.38 kDa, with the isoelectric point of 5.87. Bioinformatics analysis showed that the deduced GbANR shared more than 50% identity with ANR ...
Root competition can cause a decline in diversity with increased
... separate plots, one for each species. To characterize the community with no competition, each species was grown in monoculture, in a plot in which roots from outside the plot were excluded by trenching and shoots from outside the plot were held back with nets (Fig. 1, left). In the community with on ...
... separate plots, one for each species. To characterize the community with no competition, each species was grown in monoculture, in a plot in which roots from outside the plot were excluded by trenching and shoots from outside the plot were held back with nets (Fig. 1, left). In the community with on ...
here - Caroni Swamp RDI
... been done on the silky anteater and its density within the swamp. The main objective of this study is to assess the silky anteater’s population within the swamp and determine its density distribution per km2. The Line Transect method would be conducted to survey the silky anteater’s population. This ...
... been done on the silky anteater and its density within the swamp. The main objective of this study is to assess the silky anteater’s population within the swamp and determine its density distribution per km2. The Line Transect method would be conducted to survey the silky anteater’s population. This ...
Approximating Nature`s Variation: Selecting and Using Reference
... Spatial context can affect physical factors (e.g., edge effects on temperature and humidity) and disturbance regimes (e.g., increased rate of treefall along new forest edges). Further, spatial context can directly affect species composition and species-mediated functions, independent of the effects ...
... Spatial context can affect physical factors (e.g., edge effects on temperature and humidity) and disturbance regimes (e.g., increased rate of treefall along new forest edges). Further, spatial context can directly affect species composition and species-mediated functions, independent of the effects ...
Effects of resource abundance on habitat selection and spatial
... MAZURKIEWICZ 1994; ZHIGAREV 2005) but also rarer methods such as the spool-and-line technique (CRAINE 1985) and fluorescent marking (CLARK et al. 2001; MCDONALD and ST CLAIR 2004) have been used. These studies have contributed significantly to the understanding of small mammal biology, however there ...
... MAZURKIEWICZ 1994; ZHIGAREV 2005) but also rarer methods such as the spool-and-line technique (CRAINE 1985) and fluorescent marking (CLARK et al. 2001; MCDONALD and ST CLAIR 2004) have been used. These studies have contributed significantly to the understanding of small mammal biology, however there ...