How important are mangroves and seagrass beds for coral
... several species for more than one comparison between sets of islands. Furthermore, total fish densities on Bonaire and Klein Bonaire were similar (Table 2), indicating that these reefs have an equal capacity of harbouring fish and that differences in environmental factors probably play a minor role. ...
... several species for more than one comparison between sets of islands. Furthermore, total fish densities on Bonaire and Klein Bonaire were similar (Table 2), indicating that these reefs have an equal capacity of harbouring fish and that differences in environmental factors probably play a minor role. ...
Part 5:Regional Shorebird Conservation Goals and Strategies
... Using the species prioritization process developed for the U.S. Shorebird Plan, 14 taxa were identified as species of high concern in Alaska. All species of concern tend to have small global population sizes and/or limited breeding distributions. Seasonal occurrence of priority species was examined ...
... Using the species prioritization process developed for the U.S. Shorebird Plan, 14 taxa were identified as species of high concern in Alaska. All species of concern tend to have small global population sizes and/or limited breeding distributions. Seasonal occurrence of priority species was examined ...
Patterns and Consequences of Interspecific Competition
... To describe the types of experimental manipulations we included, we distinguish between neighbor species and target species in an experiment. A neighbor species is the species or group (e.g., growth form) whose abundance differs between treatments (an independent variable). A target species is the s ...
... To describe the types of experimental manipulations we included, we distinguish between neighbor species and target species in an experiment. A neighbor species is the species or group (e.g., growth form) whose abundance differs between treatments (an independent variable). A target species is the s ...
Biotic interactions and plant invasions
... A crucial and unresolved aspect of enemy release is its durability. If enemy release occurs, subsequent temporal accumulation of enemies seems almost inevitable. At what rate do enemy species accumulate? Studies examining the correlation between time since introduction and enemy richness have not de ...
... A crucial and unresolved aspect of enemy release is its durability. If enemy release occurs, subsequent temporal accumulation of enemies seems almost inevitable. At what rate do enemy species accumulate? Studies examining the correlation between time since introduction and enemy richness have not de ...
Observed Instances of Speciation
... defines a monophyletic group as a group of organisms that are more closely related to each other than to any other organisms. These distinctions are discussed in Baum 1992 and de Queiroz and Donoghue 1990. A recently offered hypothesis suggests that phylogenetic species concepts and the biological s ...
... defines a monophyletic group as a group of organisms that are more closely related to each other than to any other organisms. These distinctions are discussed in Baum 1992 and de Queiroz and Donoghue 1990. A recently offered hypothesis suggests that phylogenetic species concepts and the biological s ...
Here - Tylianakis Lab Group
... interior (for more details on the study region, see Appendix A). In total, therefore, we had 32 sampling plots, but given that the four plots from each site were non-independent, we nested sampling plots within sites in all the analyses. Even though there was high variability in food-web structure a ...
... interior (for more details on the study region, see Appendix A). In total, therefore, we had 32 sampling plots, but given that the four plots from each site were non-independent, we nested sampling plots within sites in all the analyses. Even though there was high variability in food-web structure a ...
IUCN Guidelines for the Prevention of
... ecological and economic terms. Alien invasive species are found in all taxonomic groups: they include introduced viruses, fungi, algae, mosses, ferns, higher plants, invertebrates, fish, amphibians, reptiles, birds and mammals. They have invaded and affected native biota in virtually every ecosystem ...
... ecological and economic terms. Alien invasive species are found in all taxonomic groups: they include introduced viruses, fungi, algae, mosses, ferns, higher plants, invertebrates, fish, amphibians, reptiles, birds and mammals. They have invaded and affected native biota in virtually every ecosystem ...
Macrophytes as habitat for fauna
... beds are scattered within locations where soft bottoms are present. The dominant seagrass in Norway is Zostera marina (eelgrass). Investigations have shown that seagrasses and fucoids may be heavily overgrown by epiphytes (Fredriksen et al. 2005), and about 100 species of epiphytic algae have been f ...
... beds are scattered within locations where soft bottoms are present. The dominant seagrass in Norway is Zostera marina (eelgrass). Investigations have shown that seagrasses and fucoids may be heavily overgrown by epiphytes (Fredriksen et al. 2005), and about 100 species of epiphytic algae have been f ...
Explanatory, Predictive, and Heuristic Roles of
... Above the threshold of invariance, there are more or less invariant generalizations. Woodward (2003b) called the invariance domain the set or range of changes over which a generalization is invariant. This range need not be universal in the sense that during all the interventions on its variables, a ...
... Above the threshold of invariance, there are more or less invariant generalizations. Woodward (2003b) called the invariance domain the set or range of changes over which a generalization is invariant. This range need not be universal in the sense that during all the interventions on its variables, a ...
BCB 311 Biodiversity & Conservation Biology
... What can we do? The rapid decrease in amphibians sp number has been identified and has been listed as one of the most severe issue as to date by conservationist. Many conservationist have found methods in which to conserve the amphibian species which we do still have living today One method u ...
... What can we do? The rapid decrease in amphibians sp number has been identified and has been listed as one of the most severe issue as to date by conservationist. Many conservationist have found methods in which to conserve the amphibian species which we do still have living today One method u ...
Linking community and ecosystem dynamics through spatial
... attempts at modelling both material and trait flows and their effects on spatial food web dynamics. However, because metaecosystem theory directly extends the metacommunity concept, it has inherited most of its attributes, including concepts such as ÔpatchÕ, ÔdispersalÕ or Ôlimiting factorsÕ. The fa ...
... attempts at modelling both material and trait flows and their effects on spatial food web dynamics. However, because metaecosystem theory directly extends the metacommunity concept, it has inherited most of its attributes, including concepts such as ÔpatchÕ, ÔdispersalÕ or Ôlimiting factorsÕ. The fa ...
Genetic diversity in widespread species is not congruent with
... three indices of biodiversity used here are similar to total, threatened and endemic species richness as described in Orme et al. (2005), or to species richness, threatened species and restrictedrange species referred to in Ceballos & Ehrlich (2006). The rarity indices took into account the number o ...
... three indices of biodiversity used here are similar to total, threatened and endemic species richness as described in Orme et al. (2005), or to species richness, threatened species and restrictedrange species referred to in Ceballos & Ehrlich (2006). The rarity indices took into account the number o ...
life histories of stoneflies (plecoptera) in the rio conejos of
... species. New or important corroborative life history data are presented for 11 stonefly species of this assemblage. The hyporheic nymphal development of most chloroperlid species limited the number of early instars sampled and our capacity to interpret voltinism. Limited nymphal data suggested a uni ...
... species. New or important corroborative life history data are presented for 11 stonefly species of this assemblage. The hyporheic nymphal development of most chloroperlid species limited the number of early instars sampled and our capacity to interpret voltinism. Limited nymphal data suggested a uni ...
Red King Crab (Paralithodes camtschaticus) - GB non
... Risk assessments consider only the risks posed by a species. They do not consider the practicalities, impacts or other issues relating to the management of the species. They therefore cannot on their own be used to determine what, if any, management response should be undertaken. Risk assessment ...
... Risk assessments consider only the risks posed by a species. They do not consider the practicalities, impacts or other issues relating to the management of the species. They therefore cannot on their own be used to determine what, if any, management response should be undertaken. Risk assessment ...
Vegetation dynamics and community assembly in post
... dataset, the ecological relevance of this wonderful area became clear. The more I familiarized with the history of Nørholm, the more interesting ecological questions and patterns arose which ultimately led me to dedicate my PhD study solely to this site. Coming from Guatemala, most of my experience ...
... dataset, the ecological relevance of this wonderful area became clear. The more I familiarized with the history of Nørholm, the more interesting ecological questions and patterns arose which ultimately led me to dedicate my PhD study solely to this site. Coming from Guatemala, most of my experience ...
H1110 Sandbanks which are slightly covered by sea water all the time
... ‘Sandbanks which are slightly covered by sea water all the time’ occur widely on the Atlantic coasts of north-west Europe and around the UK coast. They are widespread in inshore waters (within 12 nautical miles of the coast) and also occur offshore in the southern North Sea and in the Irish Sea (bet ...
... ‘Sandbanks which are slightly covered by sea water all the time’ occur widely on the Atlantic coasts of north-west Europe and around the UK coast. They are widespread in inshore waters (within 12 nautical miles of the coast) and also occur offshore in the southern North Sea and in the Irish Sea (bet ...
Program - The Wildlife Society
... biologists, Native American tribes, and lawyers, engineers, and biologists representing consumptive water interests, and Congress. I have led cooperative efforts to implement recovery actions for listed fish species in most New Mexico river basins. To attain a level of success I have worked my way t ...
... biologists, Native American tribes, and lawyers, engineers, and biologists representing consumptive water interests, and Congress. I have led cooperative efforts to implement recovery actions for listed fish species in most New Mexico river basins. To attain a level of success I have worked my way t ...
Full text in pdf format
... are generally predictable as to season, yet are unpredictable on an interannual time scale; during any year fires and intense storms usually occur in summer a n d winter, respectively, but disturbances at a particular location do not occur each year and may occur infrequently. Species in both habita ...
... are generally predictable as to season, yet are unpredictable on an interannual time scale; during any year fires and intense storms usually occur in summer a n d winter, respectively, but disturbances at a particular location do not occur each year and may occur infrequently. Species in both habita ...
Host specialization and species richness of fruit flies (Diptera
... plant species used in quantitative analyses. Fruit flies were reared from 30 (57%) of the 53 plant species, but this proportion increased with sample size to 100% for plant species sampled as > 10 kg of fruits per species (Figure 1). Fruit flies infested plant species at densities 0–110 fruit flies per ...
... plant species used in quantitative analyses. Fruit flies were reared from 30 (57%) of the 53 plant species, but this proportion increased with sample size to 100% for plant species sampled as > 10 kg of fruits per species (Figure 1). Fruit flies infested plant species at densities 0–110 fruit flies per ...
Long-term dynamics of biotic and abiotic resistance to exotic species
... are ‘‘other’’ species native to California, but not necessarily restricted to vernal pool habitats; e.g., species described as ‘‘generalists’’ by Keeler-Wolf et al. (1998). In early December 1999, we constructed 256 ‘‘experimental’’ pools in a regular grid bisected by an aircraft landing strip. Many ...
... are ‘‘other’’ species native to California, but not necessarily restricted to vernal pool habitats; e.g., species described as ‘‘generalists’’ by Keeler-Wolf et al. (1998). In early December 1999, we constructed 256 ‘‘experimental’’ pools in a regular grid bisected by an aircraft landing strip. Many ...
Bee diversity effects on pollination depend on functional
... were dried and dissected in the laboratory. In general, all clearly developed seeds in these samples were considered viable and counted. It was not possible to reliably distinguish fruits containing a seed from empty fruits in Asteraceae, whose fruits form an inseparable unit with the single seed. T ...
... were dried and dissected in the laboratory. In general, all clearly developed seeds in these samples were considered viable and counted. It was not possible to reliably distinguish fruits containing a seed from empty fruits in Asteraceae, whose fruits form an inseparable unit with the single seed. T ...
Mt. Mansfield Amphibian Monitoring Update 2012
... wetlands in any stage of its development, so hydroperiod or other conditions in breeding ponds would not have any direct impact on their numbers. Spotted Salamander The Spotted Salamander has a virtually flat trend line, with increased annual variation since 2002 (Figure 5). In 2010, 2.0 animals wer ...
... wetlands in any stage of its development, so hydroperiod or other conditions in breeding ponds would not have any direct impact on their numbers. Spotted Salamander The Spotted Salamander has a virtually flat trend line, with increased annual variation since 2002 (Figure 5). In 2010, 2.0 animals wer ...
Abundance matters: a Weld experiment testing the more individuals
... REG; SAS Institute 1990) to determine whether a power, logarithmic, or linear function best Wt the relationship between richness, total abundance, or abundance per species (dependent) and productivity (independent) for each month. The best model was determined based on the highest R2, as all models ...
... REG; SAS Institute 1990) to determine whether a power, logarithmic, or linear function best Wt the relationship between richness, total abundance, or abundance per species (dependent) and productivity (independent) for each month. The best model was determined based on the highest R2, as all models ...
Competitive avoidance not edaphic specialization drives vertical
... et al. (2011) found evidence that EM fungal community composition was strongly influenced by horizontal gradients in rooting density, with long- and short-distance exploration type species (sensu Agerer, 2001) being more common in areas of lower and higher root densities, respectively. Although it h ...
... et al. (2011) found evidence that EM fungal community composition was strongly influenced by horizontal gradients in rooting density, with long- and short-distance exploration type species (sensu Agerer, 2001) being more common in areas of lower and higher root densities, respectively. Although it h ...
The vulnerability of provincially rare species (species-at
... changing climate is to identify the vulnerability of selected assets in a study area. We used NatureServe’s Climate Change Vulnerability Index (CCVI) on a subset of provincially rare species inhabiting the Lake Simcoe watershed, Ontario, Canada, to identify species that are potentially vulnerable to ...
... changing climate is to identify the vulnerability of selected assets in a study area. We used NatureServe’s Climate Change Vulnerability Index (CCVI) on a subset of provincially rare species inhabiting the Lake Simcoe watershed, Ontario, Canada, to identify species that are potentially vulnerable to ...