The Need to Rationalize and Prioritize Threatening Processes Used
... species, whereas other seemingly important factors are not recorded as threats. The subjective nature of listing threatening processes, via expert opinion, results in substantial biases that may be allayed by independent peer review, use of technical manuals, consensus among multiple assessors, inco ...
... species, whereas other seemingly important factors are not recorded as threats. The subjective nature of listing threatening processes, via expert opinion, results in substantial biases that may be allayed by independent peer review, use of technical manuals, consensus among multiple assessors, inco ...
Tips for Writing First-Year Biology Labs
... Do integrate source material into your writing (begin and end the second paragraph in your own words). Don’t use source material unrelated to your topic or simply summarize results of studies without integrating this information with your own study. *Definitions: A hypothesis is a possible explanati ...
... Do integrate source material into your writing (begin and end the second paragraph in your own words). Don’t use source material unrelated to your topic or simply summarize results of studies without integrating this information with your own study. *Definitions: A hypothesis is a possible explanati ...
1369-1376
... sites and less well at confamilial and distant relative sites. This pattern is reversed later, as in terms of survival most species performed better when grown with distant than with close relatives. The authors suggest that more closely related species are more similar ecologically and that is the ...
... sites and less well at confamilial and distant relative sites. This pattern is reversed later, as in terms of survival most species performed better when grown with distant than with close relatives. The authors suggest that more closely related species are more similar ecologically and that is the ...
The evolutionary consequences of biological
... between the regions (Elton 1958; Sailer 1978). Interestingly, ant invasions into North America do not follow this pattern (Suarez et al. 2005). When attempting to predict where potential invaders will be successful, it would be useful to assess how well conditions in the native range (which have dri ...
... between the regions (Elton 1958; Sailer 1978). Interestingly, ant invasions into North America do not follow this pattern (Suarez et al. 2005). When attempting to predict where potential invaders will be successful, it would be useful to assess how well conditions in the native range (which have dri ...
Get PDF - Wiley Online Library
... taxa, especially in aquatic systems. Smaller body size in warmer geographical regions has also been widely observed. Since body size is a fundamental determinant of many biological attributes, climate-warming-related changes in size could ripple across multiple levels of ecological organization. Som ...
... taxa, especially in aquatic systems. Smaller body size in warmer geographical regions has also been widely observed. Since body size is a fundamental determinant of many biological attributes, climate-warming-related changes in size could ripple across multiple levels of ecological organization. Som ...
Species and Habitats Most at Risk in Greater Yellowstone
... Land use intensification exerts influences on wildlife both in and near sites of logging, agriculture, and human settlements as well as in the remaining natural parts of an ecosystem. Perhaps the most obvious repercussions are loss, fragmentation, and degradation of habitat. Conversion of natural ha ...
... Land use intensification exerts influences on wildlife both in and near sites of logging, agriculture, and human settlements as well as in the remaining natural parts of an ecosystem. Perhaps the most obvious repercussions are loss, fragmentation, and degradation of habitat. Conversion of natural ha ...
A View of Life
... populations interacting with one another within the same environment. – Composition is a listing of various species in the community. – Diversity includes both species richness and species diversity. ...
... populations interacting with one another within the same environment. – Composition is a listing of various species in the community. – Diversity includes both species richness and species diversity. ...
University of Groningen Holism and reductionism in biology
... Berendse 1985; Abrams 1986, 1987a,b, 1988; Huisman 1994; Huisman & Weissing 1994; Weissing & Huisman 1994), which provides a mechanism of competition in the way of exploitation of resources by two or more species. These models also go under the name of resource-consumer models and one particularly a ...
... Berendse 1985; Abrams 1986, 1987a,b, 1988; Huisman 1994; Huisman & Weissing 1994; Weissing & Huisman 1994), which provides a mechanism of competition in the way of exploitation of resources by two or more species. These models also go under the name of resource-consumer models and one particularly a ...
The niche, biogeography and species interactions
... on dispersal, every species could potentially be distributed everywhere, and spatial patterns of distribution and diversity would be absent or due entirely to chance. But of course, we know that there are indeed large-scale patterns of diversity and distribution (e.g. major biogeographic provinces, ...
... on dispersal, every species could potentially be distributed everywhere, and spatial patterns of distribution and diversity would be absent or due entirely to chance. But of course, we know that there are indeed large-scale patterns of diversity and distribution (e.g. major biogeographic provinces, ...
Multiple scale composition and spatial distribution patterns of the
... with the bearing tree locations was substantially greater (fine-scale point-based digital maps) than the resolution of the environmental parameters (coarse-scale polygonal digital maps) with which we wished to link them. Map scales also varied with each of the environmental variables. Count data wer ...
... with the bearing tree locations was substantially greater (fine-scale point-based digital maps) than the resolution of the environmental parameters (coarse-scale polygonal digital maps) with which we wished to link them. Map scales also varied with each of the environmental variables. Count data wer ...
Juan Fernández petrel
... a larger number of burrows and to evaluate occupancy in areas of the colony with muddy soils and standing water, which made the use of the infra-red burrow scope impractical. It is important to note that this estimate represents a maximum possible occupancy given that activity at the entrance could ...
... a larger number of burrows and to evaluate occupancy in areas of the colony with muddy soils and standing water, which made the use of the infra-red burrow scope impractical. It is important to note that this estimate represents a maximum possible occupancy given that activity at the entrance could ...
Identifying Conservation and Restoration Priorities for
... many species, these largely statistical approaches are not feasible due to a lack of absence data (Tole 2006). True absence data require proof that the species is really not present in the area, whereas in presence data sets, only positive observations of species are registered. In most species dist ...
... many species, these largely statistical approaches are not feasible due to a lack of absence data (Tole 2006). True absence data require proof that the species is really not present in the area, whereas in presence data sets, only positive observations of species are registered. In most species dist ...
Phylogenetic diversity promotes ecosystem stability
... 1991), then the simplest models of evolutionary change predict that the more distantly related two species are, the greater likelihood that they differ ecologically. Of course, individual traits may show idiosyncratic patterns and rates of evolution, but overall ecological differentiation, across a ...
... 1991), then the simplest models of evolutionary change predict that the more distantly related two species are, the greater likelihood that they differ ecologically. Of course, individual traits may show idiosyncratic patterns and rates of evolution, but overall ecological differentiation, across a ...
pest risk assessment - Department of Primary Industries, Parks
... The Perentie is the largest lizard in Australia. The average length is about 1.5m, but they may grow to more than 2 metres (Cogger 2000; Horn and King 2004). Australian varanids have a long slender neck with a long, strong body, a muscular tail and well developed limbs with strong claws (King and Gr ...
... The Perentie is the largest lizard in Australia. The average length is about 1.5m, but they may grow to more than 2 metres (Cogger 2000; Horn and King 2004). Australian varanids have a long slender neck with a long, strong body, a muscular tail and well developed limbs with strong claws (King and Gr ...
AP Biology Reading Guide Chapter 50 An Introduction To
... 15. What is meant by fitness? How can habituation increase fitness? 16. Describe the process of imprinting, and explain what is meant by sensitive or critical period. 17. Describe the classic study of parental imprinting done by Konrad Lorenz. 18. What special challenges did researchers face in orde ...
... 15. What is meant by fitness? How can habituation increase fitness? 16. Describe the process of imprinting, and explain what is meant by sensitive or critical period. 17. Describe the classic study of parental imprinting done by Konrad Lorenz. 18. What special challenges did researchers face in orde ...
Species evenness and invasion resistance of
... warrants more attention for a number of reasons. Experimental studies manipulating species richness typically impose high levels of initial species evenness (Schwartz et al. 2000), but natural plant communities often exhibit low evenness (Weiher and Keddy 1999). Furthermore, relative abundances of s ...
... warrants more attention for a number of reasons. Experimental studies manipulating species richness typically impose high levels of initial species evenness (Schwartz et al. 2000), but natural plant communities often exhibit low evenness (Weiher and Keddy 1999). Furthermore, relative abundances of s ...
The spatial distribution of African savannah herbivores
... effects may vary in space and time according to ungulate body size and migratory strategy (migrant versus resident) and may include complex feedbacks, such as occur when migrants facilitate forage availability for residents; the relationship between browsers and grazers is less well known. Mega-herb ...
... effects may vary in space and time according to ungulate body size and migratory strategy (migrant versus resident) and may include complex feedbacks, such as occur when migrants facilitate forage availability for residents; the relationship between browsers and grazers is less well known. Mega-herb ...
MEEC2017_Abstracts
... cascades, rarely incorporates variation at a finer scale than species. Investigating the influences of interspecific variation can further our understanding of these complex ecological interactions. In this project, we explore the impacts of body size variation in a top predator population on an aqu ...
... cascades, rarely incorporates variation at a finer scale than species. Investigating the influences of interspecific variation can further our understanding of these complex ecological interactions. In this project, we explore the impacts of body size variation in a top predator population on an aqu ...
Marine Ecology Progress Series 495:291
... diffuse? Concentrated predation within a community occurs when one predator species determines patterns of community structure, such as the behaviour, distribution, composition and diversity of prey (Menge et al. 1994). In contrast, diffuse predation involves a suite of species all preying upon prey ...
... diffuse? Concentrated predation within a community occurs when one predator species determines patterns of community structure, such as the behaviour, distribution, composition and diversity of prey (Menge et al. 1994). In contrast, diffuse predation involves a suite of species all preying upon prey ...
Appendix 4 - EPBC Act Protected Matters Report
... such as recovery plans and detailed habitat studies. Where appropriate, core breeding, foraging and roosting areas are indicated under "type of presence". For species whose distributions are less well known, point locations are collated from government wildlife authorities, museums, and non-governme ...
... such as recovery plans and detailed habitat studies. Where appropriate, core breeding, foraging and roosting areas are indicated under "type of presence". For species whose distributions are less well known, point locations are collated from government wildlife authorities, museums, and non-governme ...
the use of coastal agricultural fields in virginia as foraging habitat by
... roosting. Observations made during the four dawn-to-dusk surveys and at other times suggested that very few shorebirds, if any, used these fields for roosting without spending some time foraging. Therefore, all shorebirds recorded during censuses were assumed to be foraging in the fields. I was able ...
... roosting. Observations made during the four dawn-to-dusk surveys and at other times suggested that very few shorebirds, if any, used these fields for roosting without spending some time foraging. Therefore, all shorebirds recorded during censuses were assumed to be foraging in the fields. I was able ...
Decision Making for Food Choice by Grasshoppers
... Poaceae species (Bernays and Chapman 1994). Because the chemical composition of secondary metabolites of Graminae are rather uniform (Bruneton 1999), one can assume that grass-feeding grasshoppers are oligophagous and therefore relatively specialist species. In Limousin, the heathlands correspond to ...
... Poaceae species (Bernays and Chapman 1994). Because the chemical composition of secondary metabolites of Graminae are rather uniform (Bruneton 1999), one can assume that grass-feeding grasshoppers are oligophagous and therefore relatively specialist species. In Limousin, the heathlands correspond to ...
1 2 Within plant interspecific competition does not limit the highly
... conditions where eggs, larvae and adults are found within the same flowers. Therefore, ...
... conditions where eggs, larvae and adults are found within the same flowers. Therefore, ...
Land Use, Biodiversity, and Ecosystem Integrity
... What about the dependence of taxonomic diversity on habitat diversity? Here, too, the ESA is explicit- the Act states that its goal is to protect not only organisms but also the ecosystems upon which they depend.' To opponents of the ESA, however, habitat protection triggers claims that the Act is t ...
... What about the dependence of taxonomic diversity on habitat diversity? Here, too, the ESA is explicit- the Act states that its goal is to protect not only organisms but also the ecosystems upon which they depend.' To opponents of the ESA, however, habitat protection triggers claims that the Act is t ...