Biodiversity and Ecosystem Functioning - annurev-ecolsys
... Biodiversity is now known to be a major determinant, perhaps the major determinant, of community and ecosystem dynamics and functioning. This discovery, which required two decades of research by hundreds of ecologists from around the world, represents a major reversal from the paradigm of the 1970s ...
... Biodiversity is now known to be a major determinant, perhaps the major determinant, of community and ecosystem dynamics and functioning. This discovery, which required two decades of research by hundreds of ecologists from around the world, represents a major reversal from the paradigm of the 1970s ...
Human-Induced Trophic Cascades along the Fecal Detritus Pathway
... diversity and biomass of fecal detritivores, but not detritivore-mediated processes. Cascade strength varied across detritivore groups defined by species’ traits. We found smaller-bodied dung beetles were at higher risk of local decline in areas of human presence, and that body size was a better pre ...
... diversity and biomass of fecal detritivores, but not detritivore-mediated processes. Cascade strength varied across detritivore groups defined by species’ traits. We found smaller-bodied dung beetles were at higher risk of local decline in areas of human presence, and that body size was a better pre ...
Supporting Materials
... to 80◦ S (note that this is the latitudinal extent of the global model), each with 78 species. Each species range size was chosen at random between a minimum of 0◦ and a maximum of 160◦ in extent. The midpoint of the range was placed randomly along the transect such that the range could not exceed t ...
... to 80◦ S (note that this is the latitudinal extent of the global model), each with 78 species. Each species range size was chosen at random between a minimum of 0◦ and a maximum of 160◦ in extent. The midpoint of the range was placed randomly along the transect such that the range could not exceed t ...
Chapter 57 – Conservation Biology
... not). It is important to appreciate the length of time over which the estimate of 99% is made. The history of life on Earth extends back billions of years. Certainly, clear patterns of the emergence and extinction of species in the fossil record extend back many hundreds of millions of years. Since ...
... not). It is important to appreciate the length of time over which the estimate of 99% is made. The history of life on Earth extends back billions of years. Certainly, clear patterns of the emergence and extinction of species in the fossil record extend back many hundreds of millions of years. Since ...
Land-use intensification reduces functional redundancy and
... group approached ecologists who had published results on plant species and functional diversity from human-altered landscapes. We aimed to identify appropriate datasets from diverse regions of the world and did not aim to obtain more than three datasets for any one global region. Of the datasets ini ...
... group approached ecologists who had published results on plant species and functional diversity from human-altered landscapes. We aimed to identify appropriate datasets from diverse regions of the world and did not aim to obtain more than three datasets for any one global region. Of the datasets ini ...
Disentangling effects of abiotic factors and biotic interactions on
... when the effects of environmental factors were controlled22,27. Thus surrogate taxa could be identified based on the direct biotic interactions such as trophic relationships between target and surrogate taxa3,5,23. Other investigations suggested environmental variables to exert a predominant influen ...
... when the effects of environmental factors were controlled22,27. Thus surrogate taxa could be identified based on the direct biotic interactions such as trophic relationships between target and surrogate taxa3,5,23. Other investigations suggested environmental variables to exert a predominant influen ...
Review Paper Biodiversity Effects on Aquatic Ecosystem Functioning
... all, the definition of ecosystem function have started to include other important ecosystem processes, acknowledging the complexity of ecosystem functioning (Fig. 1b, point 2). In addition to the one-trophic level approach of many early studies, aquatic ecologists proposed the importance of looking ...
... all, the definition of ecosystem function have started to include other important ecosystem processes, acknowledging the complexity of ecosystem functioning (Fig. 1b, point 2). In addition to the one-trophic level approach of many early studies, aquatic ecologists proposed the importance of looking ...
Evolution and the latitudinal diversity gradient
... A latitudinal gradient in biodiversity has existed since before the time of the dinosaurs, yet how and why this gradient arose remains unresolved. Here we review two major hypotheses for the origin of the latitudinal diversity gradient. The time and area hypothesis holds that tropical climates are o ...
... A latitudinal gradient in biodiversity has existed since before the time of the dinosaurs, yet how and why this gradient arose remains unresolved. Here we review two major hypotheses for the origin of the latitudinal diversity gradient. The time and area hypothesis holds that tropical climates are o ...
3.3c Biomes - Glow Blogs
... Detailed information about your biome (location, climate, vegetation, animals) Statistics from your biome presented in an appropriate format References (bibliography) of your sources of information A 50 – 100 word summary of your biome for everyone to write in their notebook Presented as a ...
... Detailed information about your biome (location, climate, vegetation, animals) Statistics from your biome presented in an appropriate format References (bibliography) of your sources of information A 50 – 100 word summary of your biome for everyone to write in their notebook Presented as a ...
A-1. Guide to the Convention on Biological Diversity
... the Convention, the institutional and operational framework for the Convention, and the work being carried out by the Convention. ...
... the Convention, the institutional and operational framework for the Convention, and the work being carried out by the Convention. ...
Revisiting an Old Riddle: What Determines Genetic Diversity Levels
... directly under selection but also at nearby neutral sites, because selection at one site impacts variation at neighboring positions in the genome through linkage [7,15,16]. In a sense, selection at linked sites can be seen as an additional source of variance in reproductive success (i.e., as exacerb ...
... directly under selection but also at nearby neutral sites, because selection at one site impacts variation at neighboring positions in the genome through linkage [7,15,16]. In a sense, selection at linked sites can be seen as an additional source of variance in reproductive success (i.e., as exacerb ...
Conserving Biological Diversity
... about environmental and conservation issues among 10,000 of their peers. Volkswagen supports the Wilderness Foundation's "Forever Wild Rhino Protection Initiative" in Africa with the loan of six Amarok commercial vehicles, used in the fight against poaching in a number of reserves in the Eastern Cap ...
... about environmental and conservation issues among 10,000 of their peers. Volkswagen supports the Wilderness Foundation's "Forever Wild Rhino Protection Initiative" in Africa with the loan of six Amarok commercial vehicles, used in the fight against poaching in a number of reserves in the Eastern Cap ...
Conserving Biological Diversity
... about environmental and conservation issues among 10,000 of their peers. Volkswagen supports the Wilderness Foundation's "Forever Wild Rhino Protection Initiative" in Africa with the loan of six Amarok commercial vehicles, used in the fight against poaching in a number of reserves in the Eastern Cap ...
... about environmental and conservation issues among 10,000 of their peers. Volkswagen supports the Wilderness Foundation's "Forever Wild Rhino Protection Initiative" in Africa with the loan of six Amarok commercial vehicles, used in the fight against poaching in a number of reserves in the Eastern Cap ...
The Three Domains of Conservation Genetics
... turtle (Dermochelys coriacea), a warm-blooded reptile, are both over 100 million years apart from closest extant relatives. They embody unique and irreplaceable aspects of biodiversity. The recognition that unique or unusual taxa deserve protection has deep roots in European culture; Aristotle, in H ...
... turtle (Dermochelys coriacea), a warm-blooded reptile, are both over 100 million years apart from closest extant relatives. They embody unique and irreplaceable aspects of biodiversity. The recognition that unique or unusual taxa deserve protection has deep roots in European culture; Aristotle, in H ...
Spatial and Temporal Dimensions of Biodiversity Dynamics
... by the life histories of the colonising species. Colonisers can be classified as the ecological types of selection r and K, according to the logistic rates of population growth. R-selected species maximise the intrinsic rate of population increase (r). Every time favourable conditions become effecti ...
... by the life histories of the colonising species. Colonisers can be classified as the ecological types of selection r and K, according to the logistic rates of population growth. R-selected species maximise the intrinsic rate of population increase (r). Every time favourable conditions become effecti ...
Dung beetle assemblages on tropical land
... as one of nature’s most general patterns (Lomolino, 2000). Despite its universal recognition, a potentially important feature of the SAR – the small island effect (SIE) – has been largely overlooked (Lomolino, 2000; Lomolino & Weiser, 2001). The SIE is the pattern where below a certain area, species ...
... as one of nature’s most general patterns (Lomolino, 2000). Despite its universal recognition, a potentially important feature of the SAR – the small island effect (SIE) – has been largely overlooked (Lomolino, 2000; Lomolino & Weiser, 2001). The SIE is the pattern where below a certain area, species ...
The following document will provide a brief outline of the
... primarily implemented at the site scale. Ultimately, CI aims to invest in areas that are important for biodiversity conservation. We have an institutional process to identify these Key Biodiversity Areas (KBAs), which relies on the vulnerability and irreplaceability of individual populations of spec ...
... primarily implemented at the site scale. Ultimately, CI aims to invest in areas that are important for biodiversity conservation. We have an institutional process to identify these Key Biodiversity Areas (KBAs), which relies on the vulnerability and irreplaceability of individual populations of spec ...
synthesis of contributions to the e-forum
... assess the interlinkages between ecosystem health, in particular human-induced ecosystem disturbances such as climate change and variability, and the risks and spread of avian influenza caused by the HPAI H5N1 virus and other pathogens. However, SBSTTA should build on existing initiatives and not du ...
... assess the interlinkages between ecosystem health, in particular human-induced ecosystem disturbances such as climate change and variability, and the risks and spread of avian influenza caused by the HPAI H5N1 virus and other pathogens. However, SBSTTA should build on existing initiatives and not du ...
Document
... us. Their biota is vulnerable and precious. We must protect it. We have an obligation to hand over these unique faunas and floras with a minimum of loss from generation to generation. Ernst Mayr (1967) Introduction Islands are of particular importance for the conservation of global plant diversity. A ...
... us. Their biota is vulnerable and precious. We must protect it. We have an obligation to hand over these unique faunas and floras with a minimum of loss from generation to generation. Ernst Mayr (1967) Introduction Islands are of particular importance for the conservation of global plant diversity. A ...
File - Pedersen Science
... patches. • Movement corridors promote dispersal and help sustain populations. • In areas of heavy human use, artificial corridors are sometimes constructed. ...
... patches. • Movement corridors promote dispersal and help sustain populations. • In areas of heavy human use, artificial corridors are sometimes constructed. ...
video slide
... patches. • Movement corridors promote dispersal and help sustain populations. • In areas of heavy human use, artificial corridors are sometimes constructed. ...
... patches. • Movement corridors promote dispersal and help sustain populations. • In areas of heavy human use, artificial corridors are sometimes constructed. ...
- Wiley Online Library
... This may reflect either a lack of studies in appropriate regions, or the lack of a phosphorus constraint. A central role for nitrogen in determining R and Amax is well recognized (Kawahara et al. 1976; Reich et al. 1998; Ryan 1995), although a few studies have shown no correlation (e.g. Byrd et al. ...
... This may reflect either a lack of studies in appropriate regions, or the lack of a phosphorus constraint. A central role for nitrogen in determining R and Amax is well recognized (Kawahara et al. 1976; Reich et al. 1998; Ryan 1995), although a few studies have shown no correlation (e.g. Byrd et al. ...
INSECTS ON PLANTS: Diversity of Herbivore Assemblages Revisited
... whose comparison or analysis at the regional level is hampered by the many unnamed species they usually contain, so that specimens rather than names must be cross-checked (Kitching 1993). Furthermore, the asymptotic species richness of host-associated herbivore communities is difficult to estimate b ...
... whose comparison or analysis at the regional level is hampered by the many unnamed species they usually contain, so that specimens rather than names must be cross-checked (Kitching 1993). Furthermore, the asymptotic species richness of host-associated herbivore communities is difficult to estimate b ...
Precipitation and aridity index regulating spatial patterns of
... speciesdiversity (SR) have been widely reported, there is considerable disagreement about the fitting patterns of SR–ANPP, which has been variously described as ‘positive’, ‘negative’, ‘unimodal’, ‘U-shaped’ and so on. Not surprisingly, the effect-factors including precipitation, aridity index and g ...
... speciesdiversity (SR) have been widely reported, there is considerable disagreement about the fitting patterns of SR–ANPP, which has been variously described as ‘positive’, ‘negative’, ‘unimodal’, ‘U-shaped’ and so on. Not surprisingly, the effect-factors including precipitation, aridity index and g ...
southern Yunnan, China - Universität Hohenheim
... 1 General Introduction 1.1 Problem statement: Threats to biodiversity in tropical forest regions and its appraisal Tropical forests harbor the highest species diversity among the terrestrial ecosystems. Large areas of diverse tropical forest are worldwide lost or degraded ...
... 1 General Introduction 1.1 Problem statement: Threats to biodiversity in tropical forest regions and its appraisal Tropical forests harbor the highest species diversity among the terrestrial ecosystems. Large areas of diverse tropical forest are worldwide lost or degraded ...
Tropical Andes
The Tropical Andes is a subregion of the Andes spanning all of the Andes except the southern mediterranean and temperate zones. The Tropical Andes area spans 1,542,644 km2.