10/4/06 version
... classification, and if taxonomy is not a good guide to ecology the result will be non-significance, ...
... classification, and if taxonomy is not a good guide to ecology the result will be non-significance, ...
The consequences of scale: assessing the distribution of benthic
... Evidence suggests that patterns of benthic community structure are functionally linked to estuarine processes and physical characteristics of the benthos. To assess these linkages for coarse-sediment shorelines, we used a spatially nested sampling design to quantify patterns of distribution and abun ...
... Evidence suggests that patterns of benthic community structure are functionally linked to estuarine processes and physical characteristics of the benthos. To assess these linkages for coarse-sediment shorelines, we used a spatially nested sampling design to quantify patterns of distribution and abun ...
The Effect of Sowing Season on the Reliability of Direct
... to build up a picture over time of which species are favoured by certain conditions. The ideal moisture, light and temperature regimes for individual species should also be verified experimentally. This could then be matched to long-term climate averages for particular regions to predict the optimum ...
... to build up a picture over time of which species are favoured by certain conditions. The ideal moisture, light and temperature regimes for individual species should also be verified experimentally. This could then be matched to long-term climate averages for particular regions to predict the optimum ...
Do Palm Cockatoos (Probosciger aterrimus) have long enough
... sexual maturity for both sexes in our models, but test the sensitivity of this variable by examining the effect on population viability if the age of first breeding in wild Palm Cockatoos is in fact higher. In the models, we have also allowed a generous maximum longevity of 150 years, with no reprodu ...
... sexual maturity for both sexes in our models, but test the sensitivity of this variable by examining the effect on population viability if the age of first breeding in wild Palm Cockatoos is in fact higher. In the models, we have also allowed a generous maximum longevity of 150 years, with no reprodu ...
community
... two species competing for the same limiting resources cannot coexist in the same place – One species will be more efficient and thus reproduce more rapidly than the other. This will eventually lead to the local elimination of the inferior competitor. Copyright © 2008 Pearson Education, Inc., publish ...
... two species competing for the same limiting resources cannot coexist in the same place – One species will be more efficient and thus reproduce more rapidly than the other. This will eventually lead to the local elimination of the inferior competitor. Copyright © 2008 Pearson Education, Inc., publish ...
Shrubs as ecosystem engineers in a coastal dune: influences on
... from each other and any adjacent shrubs by 2 m. We randomly selected each associated shrub-free area of dune, which consisted of a 1-m circular plot within 2 m of both shrubs. All three microhabitat types in a block were matched for slope and aspect. Density and cover of individual plant species In ...
... from each other and any adjacent shrubs by 2 m. We randomly selected each associated shrub-free area of dune, which consisted of a 1-m circular plot within 2 m of both shrubs. All three microhabitat types in a block were matched for slope and aspect. Density and cover of individual plant species In ...
Tonkin Snub-nosed Monkey Conservation Project
... FFI was to increase protection of the monkeys and their habitat through the establishment of community-based patrol groups, which continue operating today. In 2009 FFI supported the Forest Protection Department in establishing the Tonkin snub-nosed monkey Species and Habitat Conservation Area in Kha ...
... FFI was to increase protection of the monkeys and their habitat through the establishment of community-based patrol groups, which continue operating today. In 2009 FFI supported the Forest Protection Department in establishing the Tonkin snub-nosed monkey Species and Habitat Conservation Area in Kha ...
community
... two species competing for the same limiting resources cannot coexist in the same place – One species will be more efficient and thus reproduce more rapidly than the other. This will eventually lead to the local elimination of the inferior competitor. Copyright © 2008 Pearson Education, Inc., publish ...
... two species competing for the same limiting resources cannot coexist in the same place – One species will be more efficient and thus reproduce more rapidly than the other. This will eventually lead to the local elimination of the inferior competitor. Copyright © 2008 Pearson Education, Inc., publish ...
origins of the azorean intertidal biota: the significance of introduced
... deep-water species and may well also exist, for example, on other unexplored, Atlantic. seamounts. Low marine endemism on oceanic islands suggests that initial colonisations are accomplished by teleplanic larvae (SCHELTEMA 1995), but species possessing such larvae are few in the Azores and other pos ...
... deep-water species and may well also exist, for example, on other unexplored, Atlantic. seamounts. Low marine endemism on oceanic islands suggests that initial colonisations are accomplished by teleplanic larvae (SCHELTEMA 1995), but species possessing such larvae are few in the Azores and other pos ...
Great Basin Spadefoot Toad - Province of British Columbia
... affected by fluctuations in water table levels, precipitation and air temperature in spring and summer. While the biology of several desert-dwelling spadefoot toad species has been intensively studied, relatively little is known about the more northern Great Basin Spadefoot Toad. Because it occupies ...
... affected by fluctuations in water table levels, precipitation and air temperature in spring and summer. While the biology of several desert-dwelling spadefoot toad species has been intensively studied, relatively little is known about the more northern Great Basin Spadefoot Toad. Because it occupies ...
Plant Species Diversity and Management of Temperate Forage and
... and their relative abundance in a defined area. Diversity measurements incorporate both species richness (S, the number of plant species in a community) and species evenness (J, an estimate of species distribution within a community). A community is perfectly “even” if all the species in the communi ...
... and their relative abundance in a defined area. Diversity measurements incorporate both species richness (S, the number of plant species in a community) and species evenness (J, an estimate of species distribution within a community). A community is perfectly “even” if all the species in the communi ...
Sharp-tailed Grouse - Playa Lakes Joint Venture
... locate their nest sites further from buildings, transmission lines, and improved roads than would be expected at random. There is also some evidence that oil and gas wellheads negatively influence nest site selection and habitat use.3,4 Researchers in Oklahoma used radio telemetry to demonstrate tha ...
... locate their nest sites further from buildings, transmission lines, and improved roads than would be expected at random. There is also some evidence that oil and gas wellheads negatively influence nest site selection and habitat use.3,4 Researchers in Oklahoma used radio telemetry to demonstrate tha ...
Quantifying and interpreting functional diversity of natural communities
... raises the question of which traits should be considered. It is a general custom to speak about “functional diversity”. The functioning of individual species is determined mainly by their ability to capture and conserve resources, or to withstand the pressure of competitors, environmental stress etc ...
... raises the question of which traits should be considered. It is a general custom to speak about “functional diversity”. The functioning of individual species is determined mainly by their ability to capture and conserve resources, or to withstand the pressure of competitors, environmental stress etc ...
Effects of habitat isolation on pollinator communities and
... Abstract Destruction and fragmentation of natural habitats is the major reason for the decreasing biodiversity in the agricultural landscape. Loss of populations may negatively affect biotic interactions and ecosystem stability. Here we tested the hypothesis that habitat fragmentation affects bee po ...
... Abstract Destruction and fragmentation of natural habitats is the major reason for the decreasing biodiversity in the agricultural landscape. Loss of populations may negatively affect biotic interactions and ecosystem stability. Here we tested the hypothesis that habitat fragmentation affects bee po ...
The role of interspecific interference competition
... (e.g. weaponry, body size). We define agonistic character displacement (ACD) as the process of phenotypic evolution in a population caused by interference competition with one or more sympatric species and which results in shifts in traits that affect the rate, intensity or outcome of interspecific ...
... (e.g. weaponry, body size). We define agonistic character displacement (ACD) as the process of phenotypic evolution in a population caused by interference competition with one or more sympatric species and which results in shifts in traits that affect the rate, intensity or outcome of interspecific ...
Long-Term Demographic Trends, Limiting Factors, and the Strength
... 1992, 1996), one of the most common breeding birds in hardwood forests in northern New England (Holmes 1994). Black-throated Blue Warblers are sexually dichromatic and insectivorous, and they breed in the understory of mature forests in northeastern North America (Holmes 1994). This open-cup-nesting ...
... 1992, 1996), one of the most common breeding birds in hardwood forests in northern New England (Holmes 1994). Black-throated Blue Warblers are sexually dichromatic and insectivorous, and they breed in the understory of mature forests in northeastern North America (Holmes 1994). This open-cup-nesting ...
Conservation Implications of Invasion by Plant
... role of hybridization (Anderson and Stebbins 1954; Stace 1975; Harrisson 1993; Rieseberg 1995; Ellstrand et al. 1996), only few comprehensive data sets are available to assess the extent of human-mediated hybridization. Carr (1995), Ellstrand and Elam (1993) and Levin et al. (1996) suggest that such ...
... role of hybridization (Anderson and Stebbins 1954; Stace 1975; Harrisson 1993; Rieseberg 1995; Ellstrand et al. 1996), only few comprehensive data sets are available to assess the extent of human-mediated hybridization. Carr (1995), Ellstrand and Elam (1993) and Levin et al. (1996) suggest that such ...
Conservatism of responses to environmental change is rare under
... belowground, although the pattern varied. Conservatism was limited to grazing aboveground, but belowground responses were conserved as a group, suggesting fundamental differences in how selection has led to niche conservatism in aboveground and belowground environments. Overall, our results suggest ...
... belowground, although the pattern varied. Conservatism was limited to grazing aboveground, but belowground responses were conserved as a group, suggesting fundamental differences in how selection has led to niche conservatism in aboveground and belowground environments. Overall, our results suggest ...
Species-Specific Responses of Carnivores to Human
... pumas in our study area appear to be heavily affected by anthropogenic pressure [33], we predicted that this species would avoid the areas fragmented and modified by human activity and would be associated with the most preserved habitats. 2) A certain avoidance of areas with intense human activity w ...
... pumas in our study area appear to be heavily affected by anthropogenic pressure [33], we predicted that this species would avoid the areas fragmented and modified by human activity and would be associated with the most preserved habitats. 2) A certain avoidance of areas with intense human activity w ...
Review of the NSW Threatened Species Priorities Action Statement
... PAS Recovery Database recorded actions that were commenced but did not record the progress or outcomes of actions. Many actions had no follow-up monitoring. Where monitoring did occur, results were not captured in the database. It is therefore difficult to determine the extent to which PAS actions h ...
... PAS Recovery Database recorded actions that were commenced but did not record the progress or outcomes of actions. Many actions had no follow-up monitoring. Where monitoring did occur, results were not captured in the database. It is therefore difficult to determine the extent to which PAS actions h ...
Christchurch - New Zealand Ecological Society
... Society has been the relative strengths of these roles. Peter Bull in his Presidential address at the 25th Jubilee, reflected on this and warned the Society against equating the science of ecology (and the function of the Society) with conservation and the environmental lobby. He thought the Society ...
... Society has been the relative strengths of these roles. Peter Bull in his Presidential address at the 25th Jubilee, reflected on this and warned the Society against equating the science of ecology (and the function of the Society) with conservation and the environmental lobby. He thought the Society ...
Australia ) in Varanus gouldii mosaic burning and varanid lizards
... While human hunting may provide direct negative effects on V. gouldii populations, it may also provide indirect positive effects either by increasing habitat suitability through patch burning or by removing other predators, such as giant perenties (V. giganteus), argus monitors (V. panoptes) and fer ...
... While human hunting may provide direct negative effects on V. gouldii populations, it may also provide indirect positive effects either by increasing habitat suitability through patch burning or by removing other predators, such as giant perenties (V. giganteus), argus monitors (V. panoptes) and fer ...
Functional richness, functional evenness and functional divergence
... As with functional richness, direct measurement of functional evenness requires knowledge of the distribution of the abundance of each species throughout niche space (i.e. measurements from several individuals of each species for each character). It also requires nomination of a cut-off point below ...
... As with functional richness, direct measurement of functional evenness requires knowledge of the distribution of the abundance of each species throughout niche space (i.e. measurements from several individuals of each species for each character). It also requires nomination of a cut-off point below ...
an audit of alien species in scotland
... Zoologists usually include all species recently arrived from abroad as aliens whatever their agency of introduction (deliberate, accidental, or natural), but then have problems defining ‘recent’. For well-studied groups (birds and mammals), historic points in time can be stated, e.g. 0 AD, but for o ...
... Zoologists usually include all species recently arrived from abroad as aliens whatever their agency of introduction (deliberate, accidental, or natural), but then have problems defining ‘recent’. For well-studied groups (birds and mammals), historic points in time can be stated, e.g. 0 AD, but for o ...
Herpetofauna Biodiversity on Marine Corps Installations
... having enough significant natural resources to require an INRMP. In some cases, a major Marine Corps installation has one or several geographically-distinct parcels under its command. These parcels, if included in the INRMP, were considered separately in this analysis and a herpetofauna list was dev ...
... having enough significant natural resources to require an INRMP. In some cases, a major Marine Corps installation has one or several geographically-distinct parcels under its command. These parcels, if included in the INRMP, were considered separately in this analysis and a herpetofauna list was dev ...