EXPERIMENTAL TESTS OF EFFECTS OF PLANT PRODUCTIVITY AND E S
... and predators (e.g., Paine 1966, 1974, Connell 1972). Darwin also hypothesized that the vegetation may influence the diversity of predators by altering the herbivore community. It has often been argued that this effect of the abundance or diversity of lower trophic levels on the diversity of higher ...
... and predators (e.g., Paine 1966, 1974, Connell 1972). Darwin also hypothesized that the vegetation may influence the diversity of predators by altering the herbivore community. It has often been argued that this effect of the abundance or diversity of lower trophic levels on the diversity of higher ...
natura 2000 network of nature protection areas
... Natura 2000 is the main tool of protection of biological diversity in Europenian Union territory. Its creation dates back to 1992 however Poland joined the network of created in May 2004, along with joining EU. Natura 2000 is a network of areas created for protection, preservation and restoration of ...
... Natura 2000 is the main tool of protection of biological diversity in Europenian Union territory. Its creation dates back to 1992 however Poland joined the network of created in May 2004, along with joining EU. Natura 2000 is a network of areas created for protection, preservation and restoration of ...
Factors influencing in mangroves biodiversity and distributional
... cold oceanic currents, such that distributional ranges tend to be broader on eastern continental margins than on western coastlines. There are at least three notable discrepancies from the above pattern with water temperature, and these all occur in the southern hemisphere; notably along the coastli ...
... cold oceanic currents, such that distributional ranges tend to be broader on eastern continental margins than on western coastlines. There are at least three notable discrepancies from the above pattern with water temperature, and these all occur in the southern hemisphere; notably along the coastli ...
current research, monitoring, and education
... development of stock assessment models and other management tools. More than 50 species of larval fishes have been identified from North Inlet so far, and continued processing of archived collections should reveal insights into whether and how species of both economic and ecological importance have ...
... development of stock assessment models and other management tools. More than 50 species of larval fishes have been identified from North Inlet so far, and continued processing of archived collections should reveal insights into whether and how species of both economic and ecological importance have ...
Powell, A. N. 2006.
... 1993). Comparisons of reproduction among plots showed significant differences between high reproductive success in high-marsh plots within the largest marsh (50.6 ha) and low reproductive success at the small isolated marsh (2.9 ha), where no fledglings were produced over the breeding season. The smal ...
... 1993). Comparisons of reproduction among plots showed significant differences between high reproductive success in high-marsh plots within the largest marsh (50.6 ha) and low reproductive success at the small isolated marsh (2.9 ha), where no fledglings were produced over the breeding season. The smal ...
Lab handout - People Server at UNCW
... structure can change in a matter of a few centimeters on sandy beaches! The RPD and gradients in other physical parameters are not static in time, but change with the tidal cycle as well as by season in temperate areas. The meiofauna is a relatively mobile community and will migrate vertically and h ...
... structure can change in a matter of a few centimeters on sandy beaches! The RPD and gradients in other physical parameters are not static in time, but change with the tidal cycle as well as by season in temperate areas. The meiofauna is a relatively mobile community and will migrate vertically and h ...
First results from an experiment excluding three sizes classes of
... proved that the experimental setup worked. The majority of plant groups did not respond to exclusion of herbivores, supporting our expectation that vegetation responses in tundra are generally too slow to be measured during one growing season. The plant groups with highest growth rates and palatabil ...
... proved that the experimental setup worked. The majority of plant groups did not respond to exclusion of herbivores, supporting our expectation that vegetation responses in tundra are generally too slow to be measured during one growing season. The plant groups with highest growth rates and palatabil ...
Eastern Milksnake (Lampropeltis triangulum triangulum)
... Eastern Milksnakes and the Bruce Trail: The Bruce Trail Conservancy (BTC) is continually preserving land and habitat that is vital for the Eastern Milksnake. Our staff ecologists are always keeping an eye out for this species and keep detailed records of where they are spotted. When suitable snake h ...
... Eastern Milksnakes and the Bruce Trail: The Bruce Trail Conservancy (BTC) is continually preserving land and habitat that is vital for the Eastern Milksnake. Our staff ecologists are always keeping an eye out for this species and keep detailed records of where they are spotted. When suitable snake h ...
as a PDF
... With matching habitat choice, we envision a process of habitat choice that depends on the phenotypic traits of an individual, and where individuals with a given phenotype try to settle in the environment that best matches its capacities to use this environment. For example, because intake rate is hi ...
... With matching habitat choice, we envision a process of habitat choice that depends on the phenotypic traits of an individual, and where individuals with a given phenotype try to settle in the environment that best matches its capacities to use this environment. For example, because intake rate is hi ...
Nature New South Wales
... farmlands, not to mention a growing urban landscape, particularly over the last 20 years, but also some of the best examples of wild boglands in Europe and upland landscapes with plant communities from across a broad range of climate zones6. Restoration is fraught with all sorts of scientific and pr ...
... farmlands, not to mention a growing urban landscape, particularly over the last 20 years, but also some of the best examples of wild boglands in Europe and upland landscapes with plant communities from across a broad range of climate zones6. Restoration is fraught with all sorts of scientific and pr ...
Seabird Conservation and Management in the Hawaiian Islands
... The development of effective pest exclusion fences and eradication techniques has enabled their increasing use for the management of high value conservation areas and species in New Zealand. Mainland exclusion projects range from those focused on protection of the breeding sites of single-species, t ...
... The development of effective pest exclusion fences and eradication techniques has enabled their increasing use for the management of high value conservation areas and species in New Zealand. Mainland exclusion projects range from those focused on protection of the breeding sites of single-species, t ...
Species diversity, invasion success, and ecosystem functioning
... et al. 2000). Such experiments reveal the potential of diversity to reduce invasion success, but rarely assess whether diversity is important relative to other factors such as propagule supply, disturbance, or predation for generating patterns of invasion in the field (but see Levine 2000, Stachowic ...
... et al. 2000). Such experiments reveal the potential of diversity to reduce invasion success, but rarely assess whether diversity is important relative to other factors such as propagule supply, disturbance, or predation for generating patterns of invasion in the field (but see Levine 2000, Stachowic ...
matching habitat choice causes directed gene flow
... With matching habitat choice, we envision a process of habitat choice that depends on the phenotypic traits of an individual, and where individuals with a given phenotype try to settle in the environment that best matches its capacities to use this environment. For example, because intake rate is hi ...
... With matching habitat choice, we envision a process of habitat choice that depends on the phenotypic traits of an individual, and where individuals with a given phenotype try to settle in the environment that best matches its capacities to use this environment. For example, because intake rate is hi ...
Ecological mechanisms associated with the positive
... indirectly increases rates of ecosystem N cycling through positive effects on the microbial community (Zak et al. 2003). The authors used 15N isotope-pool dilution techniques to show that higher numbers of species enhanced the microbial release of NH4þ from soil organic matter and caused greater gro ...
... indirectly increases rates of ecosystem N cycling through positive effects on the microbial community (Zak et al. 2003). The authors used 15N isotope-pool dilution techniques to show that higher numbers of species enhanced the microbial release of NH4þ from soil organic matter and caused greater gro ...
temperature, desiccation, and species performance trends
... temperature and organism desiccation [10, 27] reach extreme values towards high elevations. Thus, for intertidal communities considered as a whole, environmental stress generally increases from low to high elevations. Since such abiotic changes occur in a few meters on a vertical basis (the intertid ...
... temperature and organism desiccation [10, 27] reach extreme values towards high elevations. Thus, for intertidal communities considered as a whole, environmental stress generally increases from low to high elevations. Since such abiotic changes occur in a few meters on a vertical basis (the intertid ...
Fundamental and realized niches of two chrysomelid
... contemporary ecology. Hutchinson (1965) formulized the concept of the fundamental and realized niche with regards to species responses to interspecific competition; and for the herbivore insects’ community the consequence of interspecific competition is a debatable and questionable from the very beg ...
... contemporary ecology. Hutchinson (1965) formulized the concept of the fundamental and realized niche with regards to species responses to interspecific competition; and for the herbivore insects’ community the consequence of interspecific competition is a debatable and questionable from the very beg ...
APPENDIX B-2A Duchess Paradise Project
... Marine/estuarine species that spends its first three–four years in freshwater growing to about half its adult size (4 m+). In northern Australia, this species appears to be confined to freshwater drainages and the upper reaches of estuaries, occasionally being found as far as 400 km from the sea ...
... Marine/estuarine species that spends its first three–four years in freshwater growing to about half its adult size (4 m+). In northern Australia, this species appears to be confined to freshwater drainages and the upper reaches of estuaries, occasionally being found as far as 400 km from the sea ...
THE HABITAT CONCEPT IN ORNITHOLOGY
... terms relating to habitat can be used consistently and unambiguously. Habitat use: The manner in which a species uses a collection of environmental components to meet life requisites. Habitat use can be regarded in a general sense, or broken into specific acts or needs such as foraging, nesting, or ...
... terms relating to habitat can be used consistently and unambiguously. Habitat use: The manner in which a species uses a collection of environmental components to meet life requisites. Habitat use can be regarded in a general sense, or broken into specific acts or needs such as foraging, nesting, or ...
Criteria for Categorizing Invasive Non
... the list is now frequently cited as an authoritative document for planning and management purposes. In light of this evolved status and the consequent need for the list—and the factors it uses to determine ...
... the list is now frequently cited as an authoritative document for planning and management purposes. In light of this evolved status and the consequent need for the list—and the factors it uses to determine ...
Coupling low and high trophic levels models : towards a pathways
... of patterns. The difficulties arise from the fact that (i) climate and anthropogenic impacts are not easily disentangled, (ii) changes are due to indirect or combined effects, (iii) the selection of key species is complex and some species may be mistakenly neglected because they are less abundant or ...
... of patterns. The difficulties arise from the fact that (i) climate and anthropogenic impacts are not easily disentangled, (ii) changes are due to indirect or combined effects, (iii) the selection of key species is complex and some species may be mistakenly neglected because they are less abundant or ...
CONSERVATION PLANNING IN THE GREATER ADDO NATIONAL
... proposed park. All species of the medium- to large-sized mammals that potentially occur in the GANP planning domain participate in these three processes. In terms of population processes, data must be generated to enable planners to measure the effectiveness of the proposed “greater” Addo Elephant N ...
... proposed park. All species of the medium- to large-sized mammals that potentially occur in the GANP planning domain participate in these three processes. In terms of population processes, data must be generated to enable planners to measure the effectiveness of the proposed “greater” Addo Elephant N ...
Oh Deer! Do We Have a Problem?
... same region and interacting with each other • an ecological unit composed of a group of organisms of different species occupying a particular area, usually interacting with each other and their environment. ...
... same region and interacting with each other • an ecological unit composed of a group of organisms of different species occupying a particular area, usually interacting with each other and their environment. ...
Grovetown Lagoon kit
... soil – for instance sand dunes, volcanic ashes, exposed river gravels or glacial surfaces. ...
... soil – for instance sand dunes, volcanic ashes, exposed river gravels or glacial surfaces. ...
Society for the Study of Amphibians and Reptiles
... sunfish predation. Tadpoles of H. gratiosa also had higher survival with odonates than sunfish, but H. cinerea had similar survival with both predator types. These results suggest that hybrids are most likely to survive and return to breed in temporary habitats used by H. gratiosa. Thus, hybridizati ...
... sunfish predation. Tadpoles of H. gratiosa also had higher survival with odonates than sunfish, but H. cinerea had similar survival with both predator types. These results suggest that hybrids are most likely to survive and return to breed in temporary habitats used by H. gratiosa. Thus, hybridizati ...
The Mesolithic mammal fauna of Great Britain
... Polish fauna, but their abundance is low, and they are unlikely to affect these estimates. Pro. ductivity in the more continental climate of Bial¢owieza now may be higher than in Britain then, or milder winters here may have allowed greater densities of earthworm-feeding species such as shrews and B ...
... Polish fauna, but their abundance is low, and they are unlikely to affect these estimates. Pro. ductivity in the more continental climate of Bial¢owieza now may be higher than in Britain then, or milder winters here may have allowed greater densities of earthworm-feeding species such as shrews and B ...
Biological Dynamics of Forest Fragments Project
The Biological Dynamics of Forest Fragments Project, originally called the Minimum Critical Size of Ecosystems Project is a large-scale ecological experiment looking at the effects of habitat fragmentation on tropical rainforest; it is one of the most expensive biology experiments ever run. The experiment, which was established in 1979 is located near Manaus, in the Brazilian Amazon. The project is jointly managed by the Smithsonian Institution and INPA, the Brazilian Institute for Research in the Amazon.The project was initiated in 1979 by Thomas Lovejoy to investigate the SLOSS debate. Initially named the Minimum Critical Size of Ecosystems Project, the project created forest fragments of sizes 1 hectare (2 acres), 10 hectares (25 acres), and 100 hectares (247 acres). Data were collected prior to the creation of the fragments and studies of the effects of fragmentation now exceed 25 years.As of October 2010 562 publications and 143 graduate dissertations and theses had emerged from the project.