Ecological Concepts, Principles and Applications
... control pests. Species (animal and plant) provide us with food, building materials, energy and medicines. They also provide vital services such as pollination, waste assimilation, water filtration and distribution of seeds and nutrients. Genetic diversity enables us to breed higher-yield and disease ...
... control pests. Species (animal and plant) provide us with food, building materials, energy and medicines. They also provide vital services such as pollination, waste assimilation, water filtration and distribution of seeds and nutrients. Genetic diversity enables us to breed higher-yield and disease ...
Occurrence of Arbuscular Mycorrhizas and Dark Septate
... arbuscular mycorrhizal fungi (AMF) (HARLEY and SMITH, 1983; TANNER and CLAYTON, 1985). The formation of mycorrhizal-isoetid associations can facilitate the phosphorus uptake to the isoetids either through the hyphae beyond the plaque (WIGAND and STEVENSON, 1997) or through the organic acids released ...
... arbuscular mycorrhizal fungi (AMF) (HARLEY and SMITH, 1983; TANNER and CLAYTON, 1985). The formation of mycorrhizal-isoetid associations can facilitate the phosphorus uptake to the isoetids either through the hyphae beyond the plaque (WIGAND and STEVENSON, 1997) or through the organic acids released ...
Invasive species and biological invasions
... Their number is increasing: in Europe, over 10,000 invasive species have been recorded and the number of introduction has increased by 76% over the past 30 years. This can be largely explained by the intensification of trade flows and human movements worldwide which has led to the removal of natural ...
... Their number is increasing: in Europe, over 10,000 invasive species have been recorded and the number of introduction has increased by 76% over the past 30 years. This can be largely explained by the intensification of trade flows and human movements worldwide which has led to the removal of natural ...
Climate and Mammals - Stanford University
... We focus on the relationship between climatic change and response of terrestrial mammals throughout the Cenozoic (see Figure 1 for geologic time scale terminology), primarily because of their exceptionally good fossil record, but also because they provide a relevant exemplar system, in that they (a) ...
... We focus on the relationship between climatic change and response of terrestrial mammals throughout the Cenozoic (see Figure 1 for geologic time scale terminology), primarily because of their exceptionally good fossil record, but also because they provide a relevant exemplar system, in that they (a) ...
Lesson Overview - Ms. Timko`s Science Resources
... predicted. But, unpredictably, forest and stream communities have changed, too. Could a “wolf effect” be affecting organisms in the park’s woods and streams? As you read this chapter, look for connections among Yellowstone’s organisms and their environment. Then, solve the mystery. ...
... predicted. But, unpredictably, forest and stream communities have changed, too. Could a “wolf effect” be affecting organisms in the park’s woods and streams? As you read this chapter, look for connections among Yellowstone’s organisms and their environment. Then, solve the mystery. ...
Estimating the tolerance of species to the effects
... change and mutualistic trade-offs can have a different impact on species’ tolerance. Contrary to the scenario of constant environmental conditions, where degree is the gold standard measure for estimating species’ tolerance, here we have demonstrated that in a changing environment this is not alway ...
... change and mutualistic trade-offs can have a different impact on species’ tolerance. Contrary to the scenario of constant environmental conditions, where degree is the gold standard measure for estimating species’ tolerance, here we have demonstrated that in a changing environment this is not alway ...
Biomes - SEPUP
... For an organism to exist in an ecosystem it has specific traits that permit it to survive The class may need some assistance in that ecosystem. If an organism moves to a location that is similar to its native environment, it is more likely to survive than if it moved to a place entirely different, t ...
... For an organism to exist in an ecosystem it has specific traits that permit it to survive The class may need some assistance in that ecosystem. If an organism moves to a location that is similar to its native environment, it is more likely to survive than if it moved to a place entirely different, t ...
Responses of insect pests, pathogens, and invasive plant species to
... host’s distribution, population dynamics, nutrition, and defense compounds) and through effects on other predators, pathogens, and mutualists. Further, all types of nuisance species respond to continually evolving patterns of land use, the changing spatial mosaic of forest versus nonforest, local ma ...
... host’s distribution, population dynamics, nutrition, and defense compounds) and through effects on other predators, pathogens, and mutualists. Further, all types of nuisance species respond to continually evolving patterns of land use, the changing spatial mosaic of forest versus nonforest, local ma ...
The Editorial Committee of the Annual Review of Ecology, Evolution
... 2003, Parmesan 2006, Walther 2010). When land use change would have been the main driver, ...
... 2003, Parmesan 2006, Walther 2010). When land use change would have been the main driver, ...
Chapter 50 Conservation Biology
... Habitat Preservation – Keystone Species Metapopulations – Populations subdivided into several small, isolated populations due to habitat fragmentation. Source Populations Sink Populations Mader: Biology 8th Ed. ...
... Habitat Preservation – Keystone Species Metapopulations – Populations subdivided into several small, isolated populations due to habitat fragmentation. Source Populations Sink Populations Mader: Biology 8th Ed. ...
8 Habitat matrix effects on the structure and dynamic
... spatially discrete habitats and are populated by many taxa with complex life cycles, including terrestrial adults that may move among ponds, as insects and amphibians do. The metacommunity perspective differs from metapopulation perspectives, in that the principal issue in metapopulation theory is t ...
... spatially discrete habitats and are populated by many taxa with complex life cycles, including terrestrial adults that may move among ponds, as insects and amphibians do. The metacommunity perspective differs from metapopulation perspectives, in that the principal issue in metapopulation theory is t ...
Puma concolor
... puma populations in Central and South America is largely unknown, and many are suspected to be in decline. ...
... puma populations in Central and South America is largely unknown, and many are suspected to be in decline. ...
Effects of environmental change on zoonotic disease risk: an
... responds to the BAM diagram; the disease is transmitted only where the BAM conditions of all component species are fulfilled. Biotic niche: the collection of species in an ecosystem that either inhibit (e.g., predators, competitors) or facilitate (mutualists) the focal species. In this review, the f ...
... responds to the BAM diagram; the disease is transmitted only where the BAM conditions of all component species are fulfilled. Biotic niche: the collection of species in an ecosystem that either inhibit (e.g., predators, competitors) or facilitate (mutualists) the focal species. In this review, the f ...
Marine range shifts and species introductions
... Methods Database and citation searches were used to identify 129 marine species experiencing range shifts and to determine spread rates and impacts on recipient communities. Analyses of spread rates were based on studies for which postestablishment spread was reported in linear distance. The sizes o ...
... Methods Database and citation searches were used to identify 129 marine species experiencing range shifts and to determine spread rates and impacts on recipient communities. Analyses of spread rates were based on studies for which postestablishment spread was reported in linear distance. The sizes o ...
Emerson 2002
... are restricted to this region which began to change from a summer-wet to summer-dry climate approximately 15 Ma. Because the silversword alliance is nested within the California tarweed phylogeny their most recent common ancestor (MRCA) could not have arisen before the diversification of the tarweed ...
... are restricted to this region which began to change from a summer-wet to summer-dry climate approximately 15 Ma. Because the silversword alliance is nested within the California tarweed phylogeny their most recent common ancestor (MRCA) could not have arisen before the diversification of the tarweed ...
Global Biodiversity Change Indicators
... typically constrained in their adequate geographic representation, the level of disaggregation they allow, their temporal resolution, and their scientific underpinning and transparency. The Species Habitat Indices are part of a new generation of indicators that address these limitations by utilizing ...
... typically constrained in their adequate geographic representation, the level of disaggregation they allow, their temporal resolution, and their scientific underpinning and transparency. The Species Habitat Indices are part of a new generation of indicators that address these limitations by utilizing ...
climate change and connectivity: are corridors the solution?
... This paper reviews the significance and use of conservation corridors at different geographic scales (local, regional and continental) as a conservation management tool to mitigate the effects of climate change on habitat and biodiversity. Species’ habitats are affected by habitat fragmentation, deg ...
... This paper reviews the significance and use of conservation corridors at different geographic scales (local, regional and continental) as a conservation management tool to mitigate the effects of climate change on habitat and biodiversity. Species’ habitats are affected by habitat fragmentation, deg ...
Climate Change and UV-B Impacts on Arctic Tundra and Polar
... tems and biota have been close to their minimum extent within the most recent 10 000 years. They suffered loss of diversity as a result of extinctions during the most recent large-magnitude rapid global warming at the end of the last glacial stage. Consequently, Arctic ecosystems and biota are alre ...
... tems and biota have been close to their minimum extent within the most recent 10 000 years. They suffered loss of diversity as a result of extinctions during the most recent large-magnitude rapid global warming at the end of the last glacial stage. Consequently, Arctic ecosystems and biota are alre ...
Global climate change, range changes and potential implications for
... as a result of climate change. Cooler water-limited (CWL) species: CWL species occur from the ice-edges of polar waters to waters of a specific temperature range (see Fig. 1A for a theoretical example). As a result, it is likely that the ranges of these species are restricted only by warmer water te ...
... as a result of climate change. Cooler water-limited (CWL) species: CWL species occur from the ice-edges of polar waters to waters of a specific temperature range (see Fig. 1A for a theoretical example). As a result, it is likely that the ranges of these species are restricted only by warmer water te ...
PopBio 2012 Abstracts - Department of Evolutionary Biology and
... between nature and theory. As a solution, we considered a set of four key traits, representing potential classes of species responses to different disturbance characteristics, and studied the response of all ...
... between nature and theory. As a solution, we considered a set of four key traits, representing potential classes of species responses to different disturbance characteristics, and studied the response of all ...
Living on the Edge of Two Changing Worlds: Forecasting the
... origin but must regularly contend with the terrestrial environment during each low tide. As such they provide a unique perspective on the relationships between both aquatic and terrestrial climatic regimes and organismal physiology and ecology. Indeed, largely because of the steep gradient in therma ...
... origin but must regularly contend with the terrestrial environment during each low tide. As such they provide a unique perspective on the relationships between both aquatic and terrestrial climatic regimes and organismal physiology and ecology. Indeed, largely because of the steep gradient in therma ...
AND Gehyra variegata) IN REMNANT HABITAT
... the population level rather than on a regional basis. PitfalI trapping in this study and evidence from another long-term study suggest that the movement of 0. reticulata between remnants is negligible. As a consequence, this species has been unable to form a metapopulation at equilibrium. In contras ...
... the population level rather than on a regional basis. PitfalI trapping in this study and evidence from another long-term study suggest that the movement of 0. reticulata between remnants is negligible. As a consequence, this species has been unable to form a metapopulation at equilibrium. In contras ...
Summary - Yellowstone to Yukon Conservation Initiative
... evaluation within the context of larger population areas, current and projected human impacts, and changing environmental conditions. This regional approach is especially important for wide-ranging species given the challenge in balancing their needs against other multiple resource values. It is unr ...
... evaluation within the context of larger population areas, current and projected human impacts, and changing environmental conditions. This regional approach is especially important for wide-ranging species given the challenge in balancing their needs against other multiple resource values. It is unr ...
Plant and Vegetation Dynamics on Disko Island, West Greenland:
... and their components to climate change are preconceptions that sites, ecosystems and their components are often selected for study because they are expected to be sensitive to change. The literature is probably therefore, currently biased towards studies of treeline and shrub-line ecosystems. Furthe ...
... and their components to climate change are preconceptions that sites, ecosystems and their components are often selected for study because they are expected to be sensitive to change. The literature is probably therefore, currently biased towards studies of treeline and shrub-line ecosystems. Furthe ...
Climate modifies response of non
... changes in community composition [29,31]. Similarly, experimental water and nutrient availability manipulations lead to changes in species richness or cover, suggesting that response to nutrient treatments is influenced by water availability and differs among species [30,32,33]. In addition, trade-o ...
... changes in community composition [29,31]. Similarly, experimental water and nutrient availability manipulations lead to changes in species richness or cover, suggesting that response to nutrient treatments is influenced by water availability and differs among species [30,32,33]. In addition, trade-o ...