English
... important because changes in it can indicate species decline. This is a family of related sub-variables on the timing of biological events, and most phenological parameters based on spaceborne remote sensing will be those of plants. Although the exact variables defining phenology are still under dis ...
... important because changes in it can indicate species decline. This is a family of related sub-variables on the timing of biological events, and most phenological parameters based on spaceborne remote sensing will be those of plants. Although the exact variables defining phenology are still under dis ...
Preliminary study of habitat preferences of red brocket deer
... as a food source. The red brocket is known to be a highly frugivorous species (Gayot et al. 2004; Weber 2008). It has also been found that coffee agroecosystems in the Sierra Madre Oriental of Mexico allow the persistence of an elevated diversity of mammal species, and these systems have been consid ...
... as a food source. The red brocket is known to be a highly frugivorous species (Gayot et al. 2004; Weber 2008). It has also been found that coffee agroecosystems in the Sierra Madre Oriental of Mexico allow the persistence of an elevated diversity of mammal species, and these systems have been consid ...
Genetic diversity within vertebrate species is greater at lower
... We defined intraspecific genetic diversity as the mean nucleotide diversity between sequences within a latitudinal group, and thus this metric can incorporate both intra- and inter-population components of genetic variation within each species. Distance values for Kimura’s two-parameter model (i.e., ...
... We defined intraspecific genetic diversity as the mean nucleotide diversity between sequences within a latitudinal group, and thus this metric can incorporate both intra- and inter-population components of genetic variation within each species. Distance values for Kimura’s two-parameter model (i.e., ...
Animal species diversity driven by habitat heterogeneity
... each publication for terms that were used to define habitat heterogeneity, the animal species group and ecosystem studied, the definition of the structural variable, the measurement of vegetation structure and the temporal and spatial scale of the study. Main conclusions The majority of studies foun ...
... each publication for terms that were used to define habitat heterogeneity, the animal species group and ecosystem studied, the definition of the structural variable, the measurement of vegetation structure and the temporal and spatial scale of the study. Main conclusions The majority of studies foun ...
Unveiling a mechanism for species decline in fragmented habitats
... those studied in the context of tropical forests [15]—may be responsible for the above-mentioned decline. Among them, we can cite: (i) species that are overly sensitive to habitat size; (ii) a lower genetic variability associated with a smaller number of individuals living in fragments (thus decreas ...
... those studied in the context of tropical forests [15]—may be responsible for the above-mentioned decline. Among them, we can cite: (i) species that are overly sensitive to habitat size; (ii) a lower genetic variability associated with a smaller number of individuals living in fragments (thus decreas ...
The National Strategy and Action Plan for Biodiversity Conservation
... forest ecosystems is indicated by the presence of the full range of European forest fauna, including 60% and 40% of all European brown bears and wolves, respectively. Europe's largest wetland, the Danube Delta, also lies predominantly in Romania. Major grasslands, caves, and an extensive network of ...
... forest ecosystems is indicated by the presence of the full range of European forest fauna, including 60% and 40% of all European brown bears and wolves, respectively. Europe's largest wetland, the Danube Delta, also lies predominantly in Romania. Major grasslands, caves, and an extensive network of ...
Linköping University Post Print Monitoring of butterflies within a landscape
... environments all over Sweden and documents landscape composition (amount of arable fields, forest etc.), landscape elements such as stone walls and solitary trees as well as the occurrence of some groups of species (http://nils.slu.se/). By conducting inventories every fifth year, the aim is to dete ...
... environments all over Sweden and documents landscape composition (amount of arable fields, forest etc.), landscape elements such as stone walls and solitary trees as well as the occurrence of some groups of species (http://nils.slu.se/). By conducting inventories every fifth year, the aim is to dete ...
Sustaining Life on Planet Earth Biodiversity Conservation Targets
... living at or below subsistence may need to increase their consumption to move out of poverty, more affluent people can reduce consumption and still improve their quality of life. The way cities and infrastructure are shaped determines significantly the resource demands of its residents. Careful infr ...
... living at or below subsistence may need to increase their consumption to move out of poverty, more affluent people can reduce consumption and still improve their quality of life. The way cities and infrastructure are shaped determines significantly the resource demands of its residents. Careful infr ...
LETTER Eutrophication weakens stabilizing effects of diversity in natural grasslands
... unknown whether these findings are relevant to natural ecosystems, especially those for which species diversity is threatened by anthropogenic global change8–11. Here we analyse diversity–stability relationships from 41 grasslands on five continents and examine how these relationships are affected b ...
... unknown whether these findings are relevant to natural ecosystems, especially those for which species diversity is threatened by anthropogenic global change8–11. Here we analyse diversity–stability relationships from 41 grasslands on five continents and examine how these relationships are affected b ...
Espadarana prosoblepon Chrysothemis pulchella
... species as well as ecosystems are climate change, loss of habitat or changes in land use, and the unsustainable extraction or overexploitation of natural resources. ...
... species as well as ecosystems are climate change, loss of habitat or changes in land use, and the unsustainable extraction or overexploitation of natural resources. ...
Does natural selection organize ecosystems for the maintenance of
... prospects of survival or reproductive success. By analogy, we infer that an ecosystem is organized for high productivity and diversity if changes beyond the range with which its populations are adapted to cope tend to reduce its productivity or diversity. We give a few examples to show how this defi ...
... prospects of survival or reproductive success. By analogy, we infer that an ecosystem is organized for high productivity and diversity if changes beyond the range with which its populations are adapted to cope tend to reduce its productivity or diversity. We give a few examples to show how this defi ...
Benefits of biodiversity
... Copyright © 2005 Pearson Education, Inc., publishing as Benjamin Cummings ...
... Copyright © 2005 Pearson Education, Inc., publishing as Benjamin Cummings ...
video slide - CARNES AP BIO
... • Genetic diversity comprises – The genetic variation within a population ...
... • Genetic diversity comprises – The genetic variation within a population ...
Contrasting latitudinal patterns of life‐history divergence in two
... Martin 2002). A subset of these nests was videotaped more than once throughout the incubation stage to determine changes in nest attentiveness across the incubation stage. Nest attentiveness is defined here as the percentage of total observation time an adult spent on the nest during incubation. Vide ...
... Martin 2002). A subset of these nests was videotaped more than once throughout the incubation stage to determine changes in nest attentiveness across the incubation stage. Nest attentiveness is defined here as the percentage of total observation time an adult spent on the nest during incubation. Vide ...
VEAC Submission - Birdlife Australia
... There are significant areas of public land in Victoria which is administered by other authorities such as local councils and water corporations. This land often has important conservation values which are not adequately protected. In many cases protection of these conservation values would not confl ...
... There are significant areas of public land in Victoria which is administered by other authorities such as local councils and water corporations. This land often has important conservation values which are not adequately protected. In many cases protection of these conservation values would not confl ...
Norway - European Forest Institute
... scientific objectives (learning by watching nature, close to nature forestry, etc.). A lot of rare and threatened species are to be found in woodlands characterised by a high naturalness such as old growth forests. For instance, saproxylic species are typically linked to over-mature trees or to larg ...
... scientific objectives (learning by watching nature, close to nature forestry, etc.). A lot of rare and threatened species are to be found in woodlands characterised by a high naturalness such as old growth forests. For instance, saproxylic species are typically linked to over-mature trees or to larg ...
Capacity Building in Biodiversity and Impact Assessment
... Centres of agricultural endemism Biodiversity hotspots Areas of high species richness Ecosystem health ...
... Centres of agricultural endemism Biodiversity hotspots Areas of high species richness Ecosystem health ...
Document
... 2. Lack of reliability of time series data seems to be a major impediment when results on natural variability of populations are required. 3. Invasive species can easily establish populations in the region being facilitated by fisheries activities, which tend to be fishingdown-the-food-web. 4. Only ...
... 2. Lack of reliability of time series data seems to be a major impediment when results on natural variability of populations are required. 3. Invasive species can easily establish populations in the region being facilitated by fisheries activities, which tend to be fishingdown-the-food-web. 4. Only ...
Laurance 2008 - Reed F. Noss Lab at the University of Central
... and Cox, 1972; Ricklefs and Bermingham, 2001) generally have steeper slopes, and thus respond more negatively to insularization, than do those with opposite characteristics. Characteristics of fragmented landscapes can also affect species– area slopes (Wright, 1981). For example, slopes are on avera ...
... and Cox, 1972; Ricklefs and Bermingham, 2001) generally have steeper slopes, and thus respond more negatively to insularization, than do those with opposite characteristics. Characteristics of fragmented landscapes can also affect species– area slopes (Wright, 1981). For example, slopes are on avera ...
Woodpeckers: distribution, conservation, and research in a global
... in their habitats caused by human action has been a reason for utilizing woodpeckers in forest and landscape management (e.g. Angelstam & Mikusiński 1994, Diaz 1997, Hutto 1988, Jansson 1998, Nilsson et al. 2001, Hess & King 2002, Lammertink 2004, Uliczka et al. 2004). Woodpeckers may fit different c ...
... in their habitats caused by human action has been a reason for utilizing woodpeckers in forest and landscape management (e.g. Angelstam & Mikusiński 1994, Diaz 1997, Hutto 1988, Jansson 1998, Nilsson et al. 2001, Hess & King 2002, Lammertink 2004, Uliczka et al. 2004). Woodpeckers may fit different c ...
the factsheet as a PDF file
... protected areas. The criteria for KBA identification are being used by several international financial institutions to objectively assess the environmental impacts of funded projects. They are, for example, aligned with the environmental safeguards standards of institutions such as the World Bank Op ...
... protected areas. The criteria for KBA identification are being used by several international financial institutions to objectively assess the environmental impacts of funded projects. They are, for example, aligned with the environmental safeguards standards of institutions such as the World Bank Op ...
Chapter 11 Notes - Lincoln High School
... § Grazing modifies grassland structure and composition § Clearing forests removes resources organisms need § Hydroelectric dams turn rivers into reservoirs ...
... § Grazing modifies grassland structure and composition § Clearing forests removes resources organisms need § Hydroelectric dams turn rivers into reservoirs ...
File
... Grazing modifies grassland structure and composition Clearing forests removes resources organisms need ...
... Grazing modifies grassland structure and composition Clearing forests removes resources organisms need ...
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.