"SPOTTED HYENAS: MISUNDERSTOOD INDICATORS OFF
... where the relatively pristine conditions allow animals to lead a life virtually free from stressful human activity. Given the increasing fragmentation of wildlife habitat in eastern Africa, there is a critical need to develop methods for monitoring the health of those ecosystems in which wildlife re ...
... where the relatively pristine conditions allow animals to lead a life virtually free from stressful human activity. Given the increasing fragmentation of wildlife habitat in eastern Africa, there is a critical need to develop methods for monitoring the health of those ecosystems in which wildlife re ...
fulltext
... (maturation). Hence, juveniles become fewer not only through stagespecific mortality but also through maturation. Adults become more when juveniles mature. Adults do not grow but produce new juveniles (reproduction), and become less through stage-specific mortality. Maturation and reproduction – two ...
... (maturation). Hence, juveniles become fewer not only through stagespecific mortality but also through maturation. Adults become more when juveniles mature. Adults do not grow but produce new juveniles (reproduction), and become less through stage-specific mortality. Maturation and reproduction – two ...
Trophic promiscuity, intraguild predation and the problem of omnivores
... However, empirical studies provide a greater range of outcomes than predicted by simple theory, and the literature includes examples of negative, neutral and positive interactions among predators that share prey resources. A recent metaanalysis has suggested that prey suppression is more often highe ...
... However, empirical studies provide a greater range of outcomes than predicted by simple theory, and the literature includes examples of negative, neutral and positive interactions among predators that share prey resources. A recent metaanalysis has suggested that prey suppression is more often highe ...
... herbivore and predator assemblage typical of many existing protected savannas in southern Africa (du Toit 2003). We quantified herbivore distribution patterns via visual diurnal and nocturnal surveys and via dung transects over three years in areas of savanna experiencing different fire return inter ...
Chapters 3,4 and 6: Ecology
... Different species living in the same environment, or habitat, may require the same resources. When the resources are limited, competition occurs among the species. Competition- is the struggle between different species for the same limited resources. The more similar the needs of the species, the mo ...
... Different species living in the same environment, or habitat, may require the same resources. When the resources are limited, competition occurs among the species. Competition- is the struggle between different species for the same limited resources. The more similar the needs of the species, the mo ...
Our Natural Heritage, Bioregional Pride
... we use them in this curriculum: “Bioregions are geographic areas having common characteristics of soil, watershed, climate, native plants and animals that exist within the whole planetary biosphere as unique and intrinsic contributive parts. A bioregion refers both to geographical terrain and a terr ...
... we use them in this curriculum: “Bioregions are geographic areas having common characteristics of soil, watershed, climate, native plants and animals that exist within the whole planetary biosphere as unique and intrinsic contributive parts. A bioregion refers both to geographical terrain and a terr ...
Understanding Rangeland Biodiversity
... livestock) interests are influential with government as in Central Asia, Australia and parts of the New World, powerful administrative structures are established to prevent encroachment on ranches, for example. Nowhere in the world do foraging peoples have the power to prevent their land being alien ...
... livestock) interests are influential with government as in Central Asia, Australia and parts of the New World, powerful administrative structures are established to prevent encroachment on ranches, for example. Nowhere in the world do foraging peoples have the power to prevent their land being alien ...
Crowder et al. 2008 - Duke People
... Although the magnitude of reductions in open-ocean pelagic predators remains controversial, few researchers dispute declines of 90% or more of demersal predators (Christensen et al. 2003, Rose 2004). Friedlander & DeMartini (2002) found that the mean biomass of apex predators on the unfished northwe ...
... Although the magnitude of reductions in open-ocean pelagic predators remains controversial, few researchers dispute declines of 90% or more of demersal predators (Christensen et al. 2003, Rose 2004). Friedlander & DeMartini (2002) found that the mean biomass of apex predators on the unfished northwe ...
Towards an Evolutionary Model of Animal-Associated
... microbiome evolution has been drawn largely from the studies of artificially produced ecosystems that do not replicate in vivo complexity; digital organisms that are confined to user-defined parameters, which are based on our limited knowledge; and ecological theories designed for larger sexually-re ...
... microbiome evolution has been drawn largely from the studies of artificially produced ecosystems that do not replicate in vivo complexity; digital organisms that are confined to user-defined parameters, which are based on our limited knowledge; and ecological theories designed for larger sexually-re ...
Phenology - URPP Global Change and Biodiversity
... there has been only little standardization on data collection – particularly across biomes and taxa. In terrestrial fields, relationships between various visible biological phenomena and meteorological/climate changes have been studied for a ...
... there has been only little standardization on data collection – particularly across biomes and taxa. In terrestrial fields, relationships between various visible biological phenomena and meteorological/climate changes have been studied for a ...
Microbial associations with macrobiota in coastal ecosystems
... therefore critical to all life on Earth, the N cycle includes multiple transformations (eg N fixation, nitrification, denitrification, dissimilatory nitrate reduction to ammonium [DNRA], anammox; Table 1) carried out primarily or exclusively by microorganisms. Increasingly, scientists are discoveri ...
... therefore critical to all life on Earth, the N cycle includes multiple transformations (eg N fixation, nitrification, denitrification, dissimilatory nitrate reduction to ammonium [DNRA], anammox; Table 1) carried out primarily or exclusively by microorganisms. Increasingly, scientists are discoveri ...
Predation Risk Influences Adaptive Morphological Variation in Fish
... reduced foraging efficiency. However, if the prey demonstrates phenotypic plasticity in relation to the new environment, the cost of habitat shift might be mitigated. The relationship between phenotypic plasticity and habitat-specific resource use has been shown in numerous studies (Smith and Skúla ...
... reduced foraging efficiency. However, if the prey demonstrates phenotypic plasticity in relation to the new environment, the cost of habitat shift might be mitigated. The relationship between phenotypic plasticity and habitat-specific resource use has been shown in numerous studies (Smith and Skúla ...
Ecology and Evolution of Adaptive Morphological Variation in Fish
... abundance and size structure of prey populations, predation has commonly selected for ecological, behavioral and morphological traits in prey (Lima and Dill 1990, Harvell1990). Various morphological structures in prey organisms’ function as efficient adaptations against predation, and these morpholo ...
... abundance and size structure of prey populations, predation has commonly selected for ecological, behavioral and morphological traits in prey (Lima and Dill 1990, Harvell1990). Various morphological structures in prey organisms’ function as efficient adaptations against predation, and these morpholo ...
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 ...
2009 Ripples continental shelf
... over time at 12-m depth in the LEO-15 research area on Beach Haven Ridge. Crests, troughs and less consistently flanks of sand ripples 5–15-cm in height, were characterized by different infaunal community patterns at spatial scales of centimeters to kilometers on several sampling dates. Overall, infa ...
... over time at 12-m depth in the LEO-15 research area on Beach Haven Ridge. Crests, troughs and less consistently flanks of sand ripples 5–15-cm in height, were characterized by different infaunal community patterns at spatial scales of centimeters to kilometers on several sampling dates. Overall, infa ...
Behavioural biology: an effective and relevant conservation tool
... pleased with recent developments in the adolescence of conservation behaviour. After only a decade of existence, it is premature to dismiss the relevancy of the conservation behaviourist to saving biodiversity. Here, I show evidence of the vibrancy of this growing field (Box 1) and then recount how t ...
... pleased with recent developments in the adolescence of conservation behaviour. After only a decade of existence, it is premature to dismiss the relevancy of the conservation behaviourist to saving biodiversity. Here, I show evidence of the vibrancy of this growing field (Box 1) and then recount how t ...
Succession
... Secondary succession in healthy ecosystems following natural disturbances often reproduces the original climax community. Healthy coral reefs and tropical rain forests often recover from storms, and healthy temperate forests and grasslands recover from wildfires. ...
... Secondary succession in healthy ecosystems following natural disturbances often reproduces the original climax community. Healthy coral reefs and tropical rain forests often recover from storms, and healthy temperate forests and grasslands recover from wildfires. ...
here - Caroni Swamp RDI
... ceptions of the proposed Caroni Nationsocio-economic variables affected real Park were also discussed and willingsource dependency and attitudes. It ness to be part of management strategies was also proposed that perception of was assessed. Data was obtained via selfimpacts from future management st ...
... ceptions of the proposed Caroni Nationsocio-economic variables affected real Park were also discussed and willingsource dependency and attitudes. It ness to be part of management strategies was also proposed that perception of was assessed. Data was obtained via selfimpacts from future management st ...
Bellevue Urban Wildlife Habitat Literature Review
... caves, snag-rich areas, riparian corridors, heron rookeries, and regulatory critical areas (e.g., streams or wetlands). Habitat in the urban environment includes both natural and man-made elements. As is the case for all habitat, it is any feature or setting from which a species or individual animal ...
... caves, snag-rich areas, riparian corridors, heron rookeries, and regulatory critical areas (e.g., streams or wetlands). Habitat in the urban environment includes both natural and man-made elements. As is the case for all habitat, it is any feature or setting from which a species or individual animal ...
Download, PDF, 2.2 mb - Water`s Journey: Everglades
... types of ecosystems that cannot exist in the open ocean. The combination of nutrients, ample light, and shelter make coastal ecosystems diverse and rich. While you don’t commonly find large organisms here (though there are some), these ecosystems provide a haven for juveniles of open-ocean species. ...
... types of ecosystems that cannot exist in the open ocean. The combination of nutrients, ample light, and shelter make coastal ecosystems diverse and rich. While you don’t commonly find large organisms here (though there are some), these ecosystems provide a haven for juveniles of open-ocean species. ...
Environmental Variation, Stochastic Extinction, and Competitive
... Temporal variation is a ubiquitous feature of ecosystems, and ecologists have long been interested in how the magnitude of variation structures natural populations and communities (Andrewartha and Birch 1954; Lewontin and Cohen 1969). Exogenous environmental variation has been shown to affect all le ...
... Temporal variation is a ubiquitous feature of ecosystems, and ecologists have long been interested in how the magnitude of variation structures natural populations and communities (Andrewartha and Birch 1954; Lewontin and Cohen 1969). Exogenous environmental variation has been shown to affect all le ...
New Zealand Biodiversity Action Plan
... biodiversity supports. To sustain these economic benefits we must manage primary industries in ways that ensure ...
... biodiversity supports. To sustain these economic benefits we must manage primary industries in ways that ensure ...
Restoration ecology
Restoration ecology emerged as a separate field in ecology in the 1980s. It is the scientific study supporting the practice of ecological restoration, which is the practice of renewing and restoring degraded, damaged, or destroyed ecosystems and habitats in the environment by active human intervention and action. The term ""restoration ecology"" is therefore commonly used for the academic study of the process, whereas the term ""ecological restoration"" is commonly used for the actual project or process by restoration practitioners.