A Survey and Overview of Habitat Fragmentation Experiments
... size. Patch sizes were chosen relative to the questions being addressed and the organism(s) of study. Generally, as the landscape scale increased, there were fewer replicates at larger fragment sizes. There was a threshold of decrease in degree of replication at roughly 0.2 ha; above this size, the ...
... size. Patch sizes were chosen relative to the questions being addressed and the organism(s) of study. Generally, as the landscape scale increased, there were fewer replicates at larger fragment sizes. There was a threshold of decrease in degree of replication at roughly 0.2 ha; above this size, the ...
Resource Heterogeneity Moderates the Biodiversity
... microhabitats, or use different resources. This reduces competition between species, and can mean that diverse assemblages perform their ecosystem functions at elevated rates. Here we examine rates of three important functions in different natural, nonexperimental ecosystems: plant biomass productio ...
... microhabitats, or use different resources. This reduces competition between species, and can mean that diverse assemblages perform their ecosystem functions at elevated rates. Here we examine rates of three important functions in different natural, nonexperimental ecosystems: plant biomass productio ...
Composition and Distribution of Epiphytic Organic Matter in a
... been examined in Neotropical montane regions. Understanding such relationships is necessary to understand patterns and processes of epiphyte distribution. Although comparing the distribution of epiphytes on two or more host species can be useful to reveal host "preference" of particular epiphytes ...
... been examined in Neotropical montane regions. Understanding such relationships is necessary to understand patterns and processes of epiphyte distribution. Although comparing the distribution of epiphytes on two or more host species can be useful to reveal host "preference" of particular epiphytes ...
regional challenges overview paper: biodiversity pdf
... management of biodiversity is siloed among different jurisdictions and government agencies, often making it difficult to plan for, or respond efficiently to, threats at regional scales. Some argue that planning processes, such as those afforded through the Growth Management Act and Critical Area Ord ...
... management of biodiversity is siloed among different jurisdictions and government agencies, often making it difficult to plan for, or respond efficiently to, threats at regional scales. Some argue that planning processes, such as those afforded through the Growth Management Act and Critical Area Ord ...
Estimates of species extinctions from species–area relationships
... spatial distribution of ecological diversity. For instance, for species sorting we would expect a spatial distribution matching the one of environmental conditions. Dispersal limitations will result in a clumpy species distribution for both competition–colonization and neutral dynamics, irrespective ...
... spatial distribution of ecological diversity. For instance, for species sorting we would expect a spatial distribution matching the one of environmental conditions. Dispersal limitations will result in a clumpy species distribution for both competition–colonization and neutral dynamics, irrespective ...
Historical biogeography of the Isthmus of Panama
... Ortiz-Jaureguizar, 2007, p. 120), whereas the earliest known tamanduas lived in Germany 49 Ma (Storch & Richter, 1992), and non-armadillo Xenarthra appear to have lived in South China more than 55 Ma (Storch & Richter, 1992) and in the Antarctic Peninsula approximately 40 Ma (Reguero et al., 2002). ...
... Ortiz-Jaureguizar, 2007, p. 120), whereas the earliest known tamanduas lived in Germany 49 Ma (Storch & Richter, 1992), and non-armadillo Xenarthra appear to have lived in South China more than 55 Ma (Storch & Richter, 1992) and in the Antarctic Peninsula approximately 40 Ma (Reguero et al., 2002). ...
Phylogenetic diversity of plants alters the effect of species
... the plot-level, in keeping with the results from several other recent studies on this question. On the other hand, phylogenetic diversity was associated with decreased herbivory. Importantly, there was also an interaction between species richness and phylogenetic diversity, such that plots with the ...
... the plot-level, in keeping with the results from several other recent studies on this question. On the other hand, phylogenetic diversity was associated with decreased herbivory. Importantly, there was also an interaction between species richness and phylogenetic diversity, such that plots with the ...
Global biodiversity patterns of marine phytoplankton and zooplankton
... change with the scale of observation4–6, and that these patterns depend on the history of the community assembly7. Many studies have revealed a unimodal pattern, with maximal diversity at intermediate levels of productivity1–5,8–12. Other studies revealed a monotonic increase of diversity with produ ...
... change with the scale of observation4–6, and that these patterns depend on the history of the community assembly7. Many studies have revealed a unimodal pattern, with maximal diversity at intermediate levels of productivity1–5,8–12. Other studies revealed a monotonic increase of diversity with produ ...
CTFS Proceedings 2007 - Center for Tropical Forest Science
... The previous course was held at the Sinharaja World Heritage site in Sri Lanka and the 2008 course will be held at Pasoh Forest Reserve in Malaysia. The aim of these courses is to provide high-level training in the biology of forests in South and Southeast Asia. The courses are aimed at upper-level ...
... The previous course was held at the Sinharaja World Heritage site in Sri Lanka and the 2008 course will be held at Pasoh Forest Reserve in Malaysia. The aim of these courses is to provide high-level training in the biology of forests in South and Southeast Asia. The courses are aimed at upper-level ...
Correlating species and spectral diversities using hyperspectral
... Meentemeyer, 2011), and invasion resistance by again affecting ...
... Meentemeyer, 2011), and invasion resistance by again affecting ...
CBD Thematic Report on Mountain Ecosystems
... hybrid) not only grows well in Mustang but it is produced at the scale of much 1 t of grain and over 30 t of leafy straw. Mountainous areas of the country have some indigenous breeds of animals and some of these are threatened. Lulu and Achhame cattle are faced with extinction and pure siri has beco ...
... hybrid) not only grows well in Mustang but it is produced at the scale of much 1 t of grain and over 30 t of leafy straw. Mountainous areas of the country have some indigenous breeds of animals and some of these are threatened. Lulu and Achhame cattle are faced with extinction and pure siri has beco ...
the ecological consequences of changes in biodiversity
... which increases resource retention, further increasing productivity. Finally, lower levels of available limiting resources at higher diversity are predicted to decrease the susceptibility of an ecosystem to invasion, supporting the diversity–invasibility hypothesis. This mechanism provides rules for ...
... which increases resource retention, further increasing productivity. Finally, lower levels of available limiting resources at higher diversity are predicted to decrease the susceptibility of an ecosystem to invasion, supporting the diversity–invasibility hypothesis. This mechanism provides rules for ...
Biodiversity and Conservation
... 6. When does the aesthetic value of an ecosystem become most apparent? A. when scientists begin to study the ecosystem B. when the ecosystem has been destroyed C. when the ecosystem is given economic value D. when the ecosystem provides useful ...
... 6. When does the aesthetic value of an ecosystem become most apparent? A. when scientists begin to study the ecosystem B. when the ecosystem has been destroyed C. when the ecosystem is given economic value D. when the ecosystem provides useful ...
assessing the impacts of weeds on biodiversity
... to determine the impacts of weeds on biodiversity in a short timeframe (see Downey 2006). A major advantage of the WINS approach is that impacts, both positive and negative, can be determined across a range of biodiversity which is important given that the majority of previous studies that have only ...
... to determine the impacts of weeds on biodiversity in a short timeframe (see Downey 2006). A major advantage of the WINS approach is that impacts, both positive and negative, can be determined across a range of biodiversity which is important given that the majority of previous studies that have only ...
Diversity analysis: A fresh Approach
... diversity from the other things that covary with it. Several diversity indices do in fact behave reasonably. One example of a well-behaved and intuitive index is species richness (Chapter _). If we apply it to our meteor example (30 million equally common species pre-impact, reduced to 15 million af ...
... diversity from the other things that covary with it. Several diversity indices do in fact behave reasonably. One example of a well-behaved and intuitive index is species richness (Chapter _). If we apply it to our meteor example (30 million equally common species pre-impact, reduced to 15 million af ...
Biodiversity in the Cacao Agroecosystem
... Shade crops, such as cacao, provide habitat for plants and animals normally dependent upon tropical forest. This enhancement of biodiversity in the agricultural landscape occurs primarily on a local scale – providing homes and food for more generalized forest species that are intolerant of pastures ...
... Shade crops, such as cacao, provide habitat for plants and animals normally dependent upon tropical forest. This enhancement of biodiversity in the agricultural landscape occurs primarily on a local scale – providing homes and food for more generalized forest species that are intolerant of pastures ...
Chapter 5 Biodiversity and Conservation
... Sustainable use means using resources at a rate in which they can be replaced or recycled while preserving the long-term environmental health of the biosphere. ...
... Sustainable use means using resources at a rate in which they can be replaced or recycled while preserving the long-term environmental health of the biosphere. ...
The Harm They Inflict When Values Conflict: Why Diversity Does not
... they become the new possessors of it. If the invasive species is a plant, this plant will be the new occupant of the natural territory, displacing the old occupants until they become extinct in the area. If the invasion is made by an animal species that happens to feed on a particular plants, the ex ...
... they become the new possessors of it. If the invasive species is a plant, this plant will be the new occupant of the natural territory, displacing the old occupants until they become extinct in the area. If the invasion is made by an animal species that happens to feed on a particular plants, the ex ...
April 2006 - Rufford Small Grants
... fruit (Mauritia flexuosa). This palm fruit is also harvested in large numbers by people, to be made into sweet drinks and ice-cream, or eaten raw. Aguaje fruit bunches are generally collected by felling the palm, reducing next years harvest for animals and people alike. In certain parts of the red u ...
... fruit (Mauritia flexuosa). This palm fruit is also harvested in large numbers by people, to be made into sweet drinks and ice-cream, or eaten raw. Aguaje fruit bunches are generally collected by felling the palm, reducing next years harvest for animals and people alike. In certain parts of the red u ...
10 Most Endangered Animals
... Copyright © 2005 Pearson Education, Inc., publishing as Benjamin Cummings ...
... Copyright © 2005 Pearson Education, Inc., publishing as Benjamin Cummings ...
Chapter 11 Environment: The Science behind the Stories 4th Edition
... drift nets due to their danger. It is impossible to monitor the size of all nets in the ocean, so compliance is ...
... drift nets due to their danger. It is impossible to monitor the size of all nets in the ocean, so compliance is ...
Heathlands confronting global change: drivers of biodiversity loss
... general process of habitat loss and degradation is taking place. These habitats, with their narrow specialist organisms and complex interactions, are now threatened (De Graaf et al., 2009). Protection and restoration plans for European heathlands have been promoted by the European Union and individu ...
... general process of habitat loss and degradation is taking place. These habitats, with their narrow specialist organisms and complex interactions, are now threatened (De Graaf et al., 2009). Protection and restoration plans for European heathlands have been promoted by the European Union and individu ...
The distribution, abundance, and habitat preference of lovebirds
... 10-20, 20-30, 30-40, 40-50, 50-60 obtained from the girth of woody species was established. This was to measure the impact of human activities in the riparian vegetation in relation to lovebirds’ distribution and abundance. Data on rain fall was collected from the Federal Meteorological Station in M ...
... 10-20, 20-30, 30-40, 40-50, 50-60 obtained from the girth of woody species was established. This was to measure the impact of human activities in the riparian vegetation in relation to lovebirds’ distribution and abundance. Data on rain fall was collected from the Federal Meteorological Station in M ...
Chapter 56(Conservation Biology)
... Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings ...
... Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings ...
Introduction
... classes [10];in the subtropical humid monsoon zone of dolomite Karst in Shibing, the plant flora has the characteristics of both temperate, tropical and subtropical flora, and there are 1352 kinds of higher plants; Fauna are mainly characterized by terrestrial vertebrates with a total number of 298 ...
... classes [10];in the subtropical humid monsoon zone of dolomite Karst in Shibing, the plant flora has the characteristics of both temperate, tropical and subtropical flora, and there are 1352 kinds of higher plants; Fauna are mainly characterized by terrestrial vertebrates with a total number of 298 ...
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.