NASCO Guidelines for the Protection, Restoration and
... Understanding the Atlantic salmon’s habitat requirements and identifying impacts to this habitat are key requirements in meeting the international objective for the protection and restoration of habitats. This section provides a brief outline of the Atlantic salmon’s habitat requirements and the ran ...
... Understanding the Atlantic salmon’s habitat requirements and identifying impacts to this habitat are key requirements in meeting the international objective for the protection and restoration of habitats. This section provides a brief outline of the Atlantic salmon’s habitat requirements and the ran ...
The habitat condition data dictionary
... Limiting factor lists mix ecological processes operating over a wide variety of spatial and temporal scales ...
... Limiting factor lists mix ecological processes operating over a wide variety of spatial and temporal scales ...
Towards a cohesive, holistic view of top predation: a definition
... shape the foraging ecology and life-history of prey (Lima and Dill 1990) and the idea that predation risk alone can cause trophic cascades (Abrams 1984). The 1990s saw a surge in studies of the ecological effects of predation risk (e.g. anti-predator behaviour as an individual foraging cost, behavio ...
... shape the foraging ecology and life-history of prey (Lima and Dill 1990) and the idea that predation risk alone can cause trophic cascades (Abrams 1984). The 1990s saw a surge in studies of the ecological effects of predation risk (e.g. anti-predator behaviour as an individual foraging cost, behavio ...
The emergence and promise of functional biogeography
... Indeed, examining how species and their functionalities vary geographically can be useful because many of the same drivers of change that occur at every single site on earth have already varied across time and across space. The study from Reich et al. (81) is a notable example. Using a large global ...
... Indeed, examining how species and their functionalities vary geographically can be useful because many of the same drivers of change that occur at every single site on earth have already varied across time and across space. The study from Reich et al. (81) is a notable example. Using a large global ...
The Role of Landscape Connectivity in Assembling Exotic Plant
... exotic species dispersed by animals. Our research suggests that invasive species can spread more easily in fragmented landscapes than native species, which may. make communities more homogeneous over time. Key words: ...
... exotic species dispersed by animals. Our research suggests that invasive species can spread more easily in fragmented landscapes than native species, which may. make communities more homogeneous over time. Key words: ...
Desired future conditions for Southwestern riparian ecosystems
... In the remote plateau and canyon country of west central New Mexico, the Zuni Tribe has created a unique program of watershed restoration and riparian conservation based on Zuni cultural values and assessments of geomorphic processes. The work began as a result of a law suit brought against the Unit ...
... In the remote plateau and canyon country of west central New Mexico, the Zuni Tribe has created a unique program of watershed restoration and riparian conservation based on Zuni cultural values and assessments of geomorphic processes. The work began as a result of a law suit brought against the Unit ...
Coevolution: A synergy in biology and ecology
... (1) Make a long-term observation to some of the traits possibly caused by coevolution between species to investigate the relationship between genetic variation, for example, Pimentel’s study on housefly-parasitoid relationship, and Barertt’s study on pathogen virulence and plant resistance (Futuyma ...
... (1) Make a long-term observation to some of the traits possibly caused by coevolution between species to investigate the relationship between genetic variation, for example, Pimentel’s study on housefly-parasitoid relationship, and Barertt’s study on pathogen virulence and plant resistance (Futuyma ...
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 ...
Beyond species loss: The extinction of ecological
... We define an axis of habitat loss (x) that ranges from a pristine, undisturbed stage (zero) to a stage (one) of complete disturbance where all species present in the zero stage have lost their habitat. This axis may represent a reversed area axis, widely used to indirectly predict extinction rates wi ...
... We define an axis of habitat loss (x) that ranges from a pristine, undisturbed stage (zero) to a stage (one) of complete disturbance where all species present in the zero stage have lost their habitat. This axis may represent a reversed area axis, widely used to indirectly predict extinction rates wi ...
Freshwater Ecosystems and Biodiversity
... In a very general sense, aquatic physical habitat may include any submerged materials or structures. One of the more important of these for flowing water is the substrate size of the benthos. Small substrates (e.g., clays) have a high surface-to-volume ratio and are relatively easily transported, as ...
... In a very general sense, aquatic physical habitat may include any submerged materials or structures. One of the more important of these for flowing water is the substrate size of the benthos. Small substrates (e.g., clays) have a high surface-to-volume ratio and are relatively easily transported, as ...
- University of East Anglia
... activity (Topping & Sunderland 1992). However, pitfall trapping successfully reflects ...
... activity (Topping & Sunderland 1992). However, pitfall trapping successfully reflects ...
The influence of biodiversity on invasibility of terrestrial plant
... and seasonal disturbance, an important point to be discussed in the next section. Lonsdale (1999) examined global patterns of diversity and found that invasion increased with latitude and there is a positive correlation between native species diversity and invasion on a community scale. Rejmanek (19 ...
... and seasonal disturbance, an important point to be discussed in the next section. Lonsdale (1999) examined global patterns of diversity and found that invasion increased with latitude and there is a positive correlation between native species diversity and invasion on a community scale. Rejmanek (19 ...
Succession - The Keep - Eastern Illinois University
... tends to generate forests relatively quickly, while succession in dry habitats slowly produces more open communities composed of shrubs and grasses. Differential availability of species to a disturbed area can have large effects on the successional processes that occur. Plant species vary dramatical ...
... tends to generate forests relatively quickly, while succession in dry habitats slowly produces more open communities composed of shrubs and grasses. Differential availability of species to a disturbed area can have large effects on the successional processes that occur. Plant species vary dramatical ...
Limits to evolution at range margins: when and why does adaptation
... variance is assumed to be constant across the entire range. In reality, however, the amount of segregating variance evolves under the joint effects of migration, mutation and selection. Importantly, migration among populations with different trait means increases genetic variance and so facilitates ...
... variance is assumed to be constant across the entire range. In reality, however, the amount of segregating variance evolves under the joint effects of migration, mutation and selection. Importantly, migration among populations with different trait means increases genetic variance and so facilitates ...
The challenge of wild nature conserving itself
... for the ecosystem”. We can only agree, as the ecological incompleteness from a lack of carnivores in their controlling interaction with prey is unbalancing for wild nature.9 These species reintroductions attract high profile media coverage, but we wonder whether the public understands the extent of ...
... for the ecosystem”. We can only agree, as the ecological incompleteness from a lack of carnivores in their controlling interaction with prey is unbalancing for wild nature.9 These species reintroductions attract high profile media coverage, but we wonder whether the public understands the extent of ...
Mountain Pygmy-possum - Department of Environment, Land, Water
... The Management Strategy and Guidelines canvassed all the major management issues (Mansergh et al. 1989). Most of the habitat occurs in National Parks, and a Burramys management zone has been identified for each habitat in Victoria, and site specific constraints have been documented. The critical man ...
... The Management Strategy and Guidelines canvassed all the major management issues (Mansergh et al. 1989). Most of the habitat occurs in National Parks, and a Burramys management zone has been identified for each habitat in Victoria, and site specific constraints have been documented. The critical man ...
the usefulness of ecological niche concepts in understanding plant
... tolerated by mature plants. A more detailed definition was given by Terradas et al. (2009) who defined habitat niche as a spatial and temporal function of water, light, nutrient and temperature ranges, and competition with neighbors. This niche dimension involves micro-site heterogeneity, climatic v ...
... tolerated by mature plants. A more detailed definition was given by Terradas et al. (2009) who defined habitat niche as a spatial and temporal function of water, light, nutrient and temperature ranges, and competition with neighbors. This niche dimension involves micro-site heterogeneity, climatic v ...
Introduction ECOLOGY OF AGRICULTURAL MONOCULTURES
... differentiation of stem, leaves, and flowering structures, and because the row spacing is greater. Most trees are inherently more complex structurally than most herbaceous crops. Immature tree plantations generally have higher complexity at meter scales because they have woody, herbaceous (weed), an ...
... differentiation of stem, leaves, and flowering structures, and because the row spacing is greater. Most trees are inherently more complex structurally than most herbaceous crops. Immature tree plantations generally have higher complexity at meter scales because they have woody, herbaceous (weed), an ...
Reprinted - RERO DOC
... on during long centuries, each annually scattering its seeds by the thousand; what war between insect and insect - between insects, snails, and other animals with birds and beasts of prey - all striving to increase, and all feeding on each other or on the trees or their seeds and seedlings, or on th ...
... on during long centuries, each annually scattering its seeds by the thousand; what war between insect and insect - between insects, snails, and other animals with birds and beasts of prey - all striving to increase, and all feeding on each other or on the trees or their seeds and seedlings, or on th ...
Global ecological impacts of invasive species in aquatic ecosystems
... opposite effect: their filtering activity increases water clarity fostering aquatic macrophytes, whereas the new habitat formed by the shells provides food and shelter to aquatic macroinvertebrates (Ward & Ricciardi, 2007). The overgrowth of macrophytes such as cordgrass (Spartina spp.) and common r ...
... opposite effect: their filtering activity increases water clarity fostering aquatic macrophytes, whereas the new habitat formed by the shells provides food and shelter to aquatic macroinvertebrates (Ward & Ricciardi, 2007). The overgrowth of macrophytes such as cordgrass (Spartina spp.) and common r ...
Habitat Fragmentation Effects on Trophic Processes of
... a full plant community. We analyzed herbivory and parasitism rates in relation to fragment size in food webs of plants, leafminers, and parasitoids in the Chaco Serrano of central Argentina. This system offers a “ready-made” experiment (Saunders et al. 1991): a fragmented landscape where patches of ...
... a full plant community. We analyzed herbivory and parasitism rates in relation to fragment size in food webs of plants, leafminers, and parasitoids in the Chaco Serrano of central Argentina. This system offers a “ready-made” experiment (Saunders et al. 1991): a fragmented landscape where patches of ...
Durham Hedgerow Survey 2006 - Durham Biodiversity Partnership
... numbers of flora and fauna, providing food and shelter for birds, small mammals, amphibians, and invertebrates. In addition, hedges and their associated features act as wildlife corridors aiding movement and dispersal of species between habitats. In order to estimate the current extent and condition ...
... numbers of flora and fauna, providing food and shelter for birds, small mammals, amphibians, and invertebrates. In addition, hedges and their associated features act as wildlife corridors aiding movement and dispersal of species between habitats. In order to estimate the current extent and condition ...
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.