Review for the Ecology Unit Test!
... regularly — the population grew exponentially at first and then leveled off. However, when the two species were cultured together, P. caudatum proved to be the weaker competitor. After a brief phase of exponential growth, its population began to decline and ultimately it became extinct. The populati ...
... regularly — the population grew exponentially at first and then leveled off. However, when the two species were cultured together, P. caudatum proved to be the weaker competitor. After a brief phase of exponential growth, its population began to decline and ultimately it became extinct. The populati ...
Ecological and genetic models of diversity
... variation over space and time in the relative abundance and diversity of discrete biological variants: alleles or species, respectively. Four logically distinct processes can change the abundances and diversity of biological variants (Vellend and Geber 2005). First, due to the finite number of indiv ...
... variation over space and time in the relative abundance and diversity of discrete biological variants: alleles or species, respectively. Four logically distinct processes can change the abundances and diversity of biological variants (Vellend and Geber 2005). First, due to the finite number of indiv ...
Plant diversity in tropical forests: a review of mechanisms of species
... seed-to-seedling transition for 53 species from BCI. They used 200 census stations to fit recruit (R) and seed (S) density to the following function: R=c×Sb, where c and b are fitted constants. Negative density dependence (b<1) was evident for every species, and the median bvalue was just 0.23. Thes ...
... seed-to-seedling transition for 53 species from BCI. They used 200 census stations to fit recruit (R) and seed (S) density to the following function: R=c×Sb, where c and b are fitted constants. Negative density dependence (b<1) was evident for every species, and the median bvalue was just 0.23. Thes ...
Habitat Loss and Fragmentation - Arkansas Forest Resources Center
... loss of animal populations by a process termed faunal relaxation, the selective disappearance of species and replacement by more common species (Diamond, 2001). Large-bodied vertebrates, especially those at high trophic levels, are particularly susceptible to habitat loss and fragmentation, and are ...
... loss of animal populations by a process termed faunal relaxation, the selective disappearance of species and replacement by more common species (Diamond, 2001). Large-bodied vertebrates, especially those at high trophic levels, are particularly susceptible to habitat loss and fragmentation, and are ...
The effect of historical legacy on adaptation: do closely related
... was added 30 minutes after sunrise and ended 30 minutes before sunset to ensure an even ...
... was added 30 minutes after sunrise and ended 30 minutes before sunset to ensure an even ...
Comments - Forest Isbell
... testing, while their absolute magnitudes should be interpreted more cautiously because of the range of biological processes that can affect them. Liberal interpretations of AP as a means to identify and quantify species interactions may have resulted from ambiguous usage of the term ‘‘mechanism’’ in ...
... testing, while their absolute magnitudes should be interpreted more cautiously because of the range of biological processes that can affect them. Liberal interpretations of AP as a means to identify and quantify species interactions may have resulted from ambiguous usage of the term ‘‘mechanism’’ in ...
Synergies among extinction drivers under global change
... severity of regional threatening processes and local stochasticity) [2,3] within a framework of self-reinforcing feedbacks [11,19] for predicting extinction risk. For instance, species that are most vulnerable to habitat loss can be different, ecologically and evolutionarily, from those that suffer ...
... severity of regional threatening processes and local stochasticity) [2,3] within a framework of self-reinforcing feedbacks [11,19] for predicting extinction risk. For instance, species that are most vulnerable to habitat loss can be different, ecologically and evolutionarily, from those that suffer ...
Final Bordered brown lacewing report Mike Smith
... The Hermitage of Braid and Blackford Hill Local Nature Reserve (LNR) is located on the south side of the City of Edinburgh and comprises two areas, 1) The Hermitage of Braid, which is a small woodland area through which the Braid Burn runs, and 2) Blackford Hill an area of scrub and grassland and th ...
... The Hermitage of Braid and Blackford Hill Local Nature Reserve (LNR) is located on the south side of the City of Edinburgh and comprises two areas, 1) The Hermitage of Braid, which is a small woodland area through which the Braid Burn runs, and 2) Blackford Hill an area of scrub and grassland and th ...
Lowland Woodland Fauna - Environment, Planning and Sustainable
... understorey of tussock grasses and forbs, which is habitat for a range of fauna and is grazed by the larger marsupials. Many fauna species found in woodlands also occur in other habitats such as forests, riparian zones or grasslands. Some species, however, are restricted almost entirely to woodland ...
... understorey of tussock grasses and forbs, which is habitat for a range of fauna and is grazed by the larger marsupials. Many fauna species found in woodlands also occur in other habitats such as forests, riparian zones or grasslands. Some species, however, are restricted almost entirely to woodland ...
WILD226756-JuneNewsletter REV - Australian Wildlife Conservancy
... at Scotia is proceeding well. Almost 10 kilometres of the existing fence has been rebuilt to ‘feral-proof’ standard. The 4,000 hectare area known as ‘stage 1’ will be surrounded by the upgraded fence by the end of July, in time for an initial release of endangered mammals in spring 2004. Routine bio ...
... at Scotia is proceeding well. Almost 10 kilometres of the existing fence has been rebuilt to ‘feral-proof’ standard. The 4,000 hectare area known as ‘stage 1’ will be surrounded by the upgraded fence by the end of July, in time for an initial release of endangered mammals in spring 2004. Routine bio ...
ecological differentiation between sympatric pseudocryptic species
... Sampling sites and clonal cultures. In addition to the 11 N. phyllepta strains used by Créach et al. (2006) (strain designations beginning with ‘‘CCY’’ and ‘‘CO’’) from the Westerschelde estuary (the Netherlands) (Fig. 1), the EmsDollard estuary on the Dutch-German border, and the Colne estuary (Es ...
... Sampling sites and clonal cultures. In addition to the 11 N. phyllepta strains used by Créach et al. (2006) (strain designations beginning with ‘‘CCY’’ and ‘‘CO’’) from the Westerschelde estuary (the Netherlands) (Fig. 1), the EmsDollard estuary on the Dutch-German border, and the Colne estuary (Es ...
edge responses of tropical and temperate birds
... Temperate Species.—Humid tropical forest environments, particularly in the understory, show less seasonal variability in microclimate than many other environments (e.g., Karr 1976). Tropical forests provide some resources year-round that are not found as consistently in the temperate zone (e.g., sma ...
... Temperate Species.—Humid tropical forest environments, particularly in the understory, show less seasonal variability in microclimate than many other environments (e.g., Karr 1976). Tropical forests provide some resources year-round that are not found as consistently in the temperate zone (e.g., sma ...
Butterfly Breeding Guide
... New Zealand’s other native Blue butterflies are the Common Blue and the Southern Blue. The endemic Southern Blue (Zizina oxleyi) occurs on the eastern South Island from North Canterbury south to Central Otago whereas the abundant Common Blue (Zizina labradus) is found along the West Coast, Nelson, ...
... New Zealand’s other native Blue butterflies are the Common Blue and the Southern Blue. The endemic Southern Blue (Zizina oxleyi) occurs on the eastern South Island from North Canterbury south to Central Otago whereas the abundant Common Blue (Zizina labradus) is found along the West Coast, Nelson, ...
Woodpeckers: distribution, conservation, and research in a global
... species richness at the landscape scale in Poland. The lesser spotted woodpecker (Dendrocopos minor) has been found to be a reliable indicator of the occurrence of avian deciduous forest specialists in northern Europe (Jansson 1998, Roberge & Angelstam 2006). Also tree species diversity was found to ...
... species richness at the landscape scale in Poland. The lesser spotted woodpecker (Dendrocopos minor) has been found to be a reliable indicator of the occurrence of avian deciduous forest specialists in northern Europe (Jansson 1998, Roberge & Angelstam 2006). Also tree species diversity was found to ...
The community context of species` borders: ecological and
... such episodes of local adaptation from eventually allowing the populations to march across the mountain? One explanation is that there may not be sufficient genetic variation in the population for natural selection, given the intensity of selection. As shown by Holt and Gomulkiewicz (1997), adaptati ...
... such episodes of local adaptation from eventually allowing the populations to march across the mountain? One explanation is that there may not be sufficient genetic variation in the population for natural selection, given the intensity of selection. As shown by Holt and Gomulkiewicz (1997), adaptati ...
B. Current Taxonomic Status History: How many manzanita species
... Arctostaphylos Adans. (Ericaceae) is composed of over 100 taxa and is the most species-rich genus of subfamily Arbutoideae Nied. (Wells 2000, Parker et al. 2009). Except for the circumboreal Arctostaphylos uva-ursi (L.) Spreng. these species are confined to western North America and Mexico. In Calif ...
... Arctostaphylos Adans. (Ericaceae) is composed of over 100 taxa and is the most species-rich genus of subfamily Arbutoideae Nied. (Wells 2000, Parker et al. 2009). Except for the circumboreal Arctostaphylos uva-ursi (L.) Spreng. these species are confined to western North America and Mexico. In Calif ...
Local diversity of arable weeds increases with landscape
... Patterns of plant diversity are often related to local site conditions and to competitive interactions, but landscape context may also be important for local plant species richness. This is shown here by analysing the relationship between landscape complexity and local species richness of arable wee ...
... Patterns of plant diversity are often related to local site conditions and to competitive interactions, but landscape context may also be important for local plant species richness. This is shown here by analysing the relationship between landscape complexity and local species richness of arable wee ...
Within outlying mean indexes: refining the OMI analysis for
... space being “the portion of the total n-dimensional environmental space that is actually represented [: : :] within a specified region at a given time” (Jackson & Overpeck, 2000). Later on, the potential niche was renamed “the existing fundamental niche” by Peterson et al. (2011). Therefore, the bio ...
... space being “the portion of the total n-dimensional environmental space that is actually represented [: : :] within a specified region at a given time” (Jackson & Overpeck, 2000). Later on, the potential niche was renamed “the existing fundamental niche” by Peterson et al. (2011). Therefore, the bio ...
ASET postprint
... evidence that the ecologist has not looked hard enough for them.3 This attitude echoes a well-known study by MacArthur (1958), where a number of more or less happily coexisting warbler species with apparently identical habitat requirements turned out, theories, which are not usually considered to be ...
... evidence that the ecologist has not looked hard enough for them.3 This attitude echoes a well-known study by MacArthur (1958), where a number of more or less happily coexisting warbler species with apparently identical habitat requirements turned out, theories, which are not usually considered to be ...
Petition to Add Bullfrogs to List of Restricted Species
... Consistent with these conservation mandates, the Commission has previously added a number of species to the Restricted Animals List at Section 671. For example, in 2007 the Commission adopted a regulatory change to add seven species and two genera to the Restricted Animals List. 5 The Commission fou ...
... Consistent with these conservation mandates, the Commission has previously added a number of species to the Restricted Animals List at Section 671. For example, in 2007 the Commission adopted a regulatory change to add seven species and two genera to the Restricted Animals List. 5 The Commission fou ...
Global climate change, range changes and potential implications for
... species’ ranges are likely to change as a result of increases in water temperature and whether they will expand, shift poleward or contract based on their current distributions. Based on this framework, it is predicted that the ranges of 88% of cetaceans may be affected by changes in water temperatu ...
... species’ ranges are likely to change as a result of increases in water temperature and whether they will expand, shift poleward or contract based on their current distributions. Based on this framework, it is predicted that the ranges of 88% of cetaceans may be affected by changes in water temperatu ...
Kildare`s Hedgerows
... better for wildlife than short, narrow ones, especially if there are hedgerow trees. Kildare’s hedgerows were found to contain a high proportion of trees and lots of young trees which is good news for the sustainability of the resource. Occasional saplings of all species, should be selected and allo ...
... better for wildlife than short, narrow ones, especially if there are hedgerow trees. Kildare’s hedgerows were found to contain a high proportion of trees and lots of young trees which is good news for the sustainability of the resource. Occasional saplings of all species, should be selected and allo ...
The Serengeti food web: empirical quantification and analysis of
... to better understand how human activities have changed species composition, diversity and functioning. Theoretical studies modelled how network properties change under human-induced, non-random species loss. However, we lack data on realistic species-loss sequences in threatened, real-world food web ...
... to better understand how human activities have changed species composition, diversity and functioning. Theoretical studies modelled how network properties change under human-induced, non-random species loss. However, we lack data on realistic species-loss sequences in threatened, real-world food web ...
The Roots of Diversity: Below Ground Species Richness and
... Colorado Island, Panama, where all trees and lianas .1 cm diameter have been mapped to investigate richness patterns below ground and model rooting distributions. Methodology/Principal Findings: DNA barcode loci, particularly the cpDNA locus trnH-psba, can be used to identify fine and small coarse r ...
... Colorado Island, Panama, where all trees and lianas .1 cm diameter have been mapped to investigate richness patterns below ground and model rooting distributions. Methodology/Principal Findings: DNA barcode loci, particularly the cpDNA locus trnH-psba, can be used to identify fine and small coarse r ...
Island restoration
The ecological restoration of islands, or island restoration, is the application of the principles of ecological restoration to islands and island groups. Islands, due to their isolation, are home to many of the world's endemic species, as well as important breeding grounds for seabirds and some marine mammals. Their ecosystems are also very vulnerable to human disturbance and particularly to introduced species, due to their small size. Island groups such as New Zealand and Hawaii have undergone substantial extinctions and losses of habitat. Since the 1950s several organisations and government agencies around the world have worked to restore islands to their original states; New Zealand has used them to hold natural populations of species that would otherwise be unable to survive in the wild. The principal components of island restoration are the removal of introduced species and the reintroduction of native species.