Social and landscape effects on food webs: a
... [9] for pitcher plants and [10] for beetles). In butterfly associated metacommunities, van Nouhuys and Hanski [8] present the competition/dispersal trade-off and several other multi-species interactions linking the community and the landscape level. For pitcher plant metacommunities, it was shown ho ...
... [9] for pitcher plants and [10] for beetles). In butterfly associated metacommunities, van Nouhuys and Hanski [8] present the competition/dispersal trade-off and several other multi-species interactions linking the community and the landscape level. For pitcher plant metacommunities, it was shown ho ...
Successful Invasion of a Food Web in a Chemostat
... monotone functional responses. I comment further on how allowing different functional responses affects the interpretation of the results in Section 4. In any case, there is still a basic message. One can conclude that tampering with just one species in our environment could conceivably lead to farr ...
... monotone functional responses. I comment further on how allowing different functional responses affects the interpretation of the results in Section 4. In any case, there is still a basic message. One can conclude that tampering with just one species in our environment could conceivably lead to farr ...
Experimental assessment of the effects of a Neotropical nocturnal piscivore
... species was kept separately in 1000 L polyethylene stocking tanks and treated with 0.3% NaCl solution to prevent infections. Tanks were kept at a constant temperature (26 ± 1.5ºC) and photoperiod (ca. 12:12 light: dark cycle; lighting from 9:00 a.m. to 9:30 p.m.). We used a factorial design to test ...
... species was kept separately in 1000 L polyethylene stocking tanks and treated with 0.3% NaCl solution to prevent infections. Tanks were kept at a constant temperature (26 ± 1.5ºC) and photoperiod (ca. 12:12 light: dark cycle; lighting from 9:00 a.m. to 9:30 p.m.). We used a factorial design to test ...
Section 5 WILDLIFE AND SIGNIFICANT WILDLIFE
... The State of New Hampshire supports a rich diversity of plants and animals. Most are common throughout the state but some are restricted to certain unique habitats, are at or near the edge of their species distribution range, or may be threatened due to loss of habitat or other stressors. The Town o ...
... The State of New Hampshire supports a rich diversity of plants and animals. Most are common throughout the state but some are restricted to certain unique habitats, are at or near the edge of their species distribution range, or may be threatened due to loss of habitat or other stressors. The Town o ...
Biodiversity and Ecosystem Functioning - annurev-ecolsys
... evidence then available. For the second printing of his book, May (1974) added an alternative resolution to the debate—that ecosystem properties could be more stable at higher diversity even as population stability was lower. This possibility, however, was generally overlooked for two decades. Ecolo ...
... evidence then available. For the second printing of his book, May (1974) added an alternative resolution to the debate—that ecosystem properties could be more stable at higher diversity even as population stability was lower. This possibility, however, was generally overlooked for two decades. Ecolo ...
The Salamanders of Tennessee
... negatively affect amphibians by direct predation and competition. Many native amphibians are vulnerable to introduced fishes and introduced amphibians. Others may be prone to damage to their habitat from invasive species like pine beetles & wooly adelgids. Chemical Contaminants - Chemicals such as p ...
... negatively affect amphibians by direct predation and competition. Many native amphibians are vulnerable to introduced fishes and introduced amphibians. Others may be prone to damage to their habitat from invasive species like pine beetles & wooly adelgids. Chemical Contaminants - Chemicals such as p ...
Regional Actions by RCN Project Summary 2-16
... Action: Engage key partners, including state and federal transportation agencies, natural resources agencies, land trusts, municipalities, landowners, and other local stakeholders to implement priorities identified in spatially-explicit management plans. States: ME, NH, MA, CT, RI, NY Species: Blan ...
... Action: Engage key partners, including state and federal transportation agencies, natural resources agencies, land trusts, municipalities, landowners, and other local stakeholders to implement priorities identified in spatially-explicit management plans. States: ME, NH, MA, CT, RI, NY Species: Blan ...
Dynamic Energy Budget model parameter estimation for the bivalve
... 3. Results and discussion Table 1 shows observed and predicted real zero-variate data for M. californianus, as well as weight coefficients used. Table 2 presents primary DEB parameters obtained for M. californianus which were compared against those for other bivalve species at a reference temperature ...
... 3. Results and discussion Table 1 shows observed and predicted real zero-variate data for M. californianus, as well as weight coefficients used. Table 2 presents primary DEB parameters obtained for M. californianus which were compared against those for other bivalve species at a reference temperature ...
Powerpoint
... grasslands because environmental conditions (rainfall amount and timing) varies greatly from year to year. Variable conditions mean that the best competitor varies from year-to-year as well. ...
... grasslands because environmental conditions (rainfall amount and timing) varies greatly from year to year. Variable conditions mean that the best competitor varies from year-to-year as well. ...
Chapter 10 - Lakeland Regional High School
... a large portion of endemic species. • An endemic species is a species that is native to a particular place and that is found only there. • Ecologists often use the numbers of endemic species of plants as an indicator of overall biodiversity because plants form the basis of ecosystems on land. ...
... a large portion of endemic species. • An endemic species is a species that is native to a particular place and that is found only there. • Ecologists often use the numbers of endemic species of plants as an indicator of overall biodiversity because plants form the basis of ecosystems on land. ...
A framework for community and ecosystem
... and environmental influences on individual trait expression. By contrast, community and ecosystem phenotypes arise from interactions with other species that comprise the community. Whether particular species contribute to community phenotypes depends on how genetically based traits within species in ...
... and environmental influences on individual trait expression. By contrast, community and ecosystem phenotypes arise from interactions with other species that comprise the community. Whether particular species contribute to community phenotypes depends on how genetically based traits within species in ...
Impacts of invasive alien marine species on
... A good understanding of the mechanisms and magnitude of the impact of invasive alien species on ecosystem services and biodiversity is a prerequisite for the efficient prioritisation of actions to prevent new invasions or for developing mitigation measures. In this review, we identified alien marine ...
... A good understanding of the mechanisms and magnitude of the impact of invasive alien species on ecosystem services and biodiversity is a prerequisite for the efficient prioritisation of actions to prevent new invasions or for developing mitigation measures. In this review, we identified alien marine ...
Paxton Lake Benthic and Limnetic Stickleback (Gasterosteus
... there is considerable overlap in their spawning times. There is strong assortative mating, but hybridization occurs naturally in the wild at a low rate. Limnetics are thought to mature on average as one-year-olds, and rarely live beyond a single breeding season. Reproductive females have multiple cl ...
... there is considerable overlap in their spawning times. There is strong assortative mating, but hybridization occurs naturally in the wild at a low rate. Limnetics are thought to mature on average as one-year-olds, and rarely live beyond a single breeding season. Reproductive females have multiple cl ...
Reading 15 Biodiversity and Ecosystem Functioning: Maintaining
... activities of plants, animals, and microbes and the effects these activities—feeding, growing, moving, excreting waste, etc.—have on the physical and chemical conditions of their environment. (Note that “functioning” means “showing activity” and does not imply that organisms perform purposeful roles ...
... activities of plants, animals, and microbes and the effects these activities—feeding, growing, moving, excreting waste, etc.—have on the physical and chemical conditions of their environment. (Note that “functioning” means “showing activity” and does not imply that organisms perform purposeful roles ...
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... on native arthropods, but most information on this topic comes from studies of a handful of ant species. The ecological impacts of the many additional introduced ‘tramp’ ant species are largely unknown. In mesic upland forests of O‘ahu, Hawai‘i, ten species of introduced ants were found on four spec ...
... on native arthropods, but most information on this topic comes from studies of a handful of ant species. The ecological impacts of the many additional introduced ‘tramp’ ant species are largely unknown. In mesic upland forests of O‘ahu, Hawai‘i, ten species of introduced ants were found on four spec ...
... Study Organisms: We will focus on the ants of eastern North America. Ants are an abundant (up to 40% of animal biomass), ecologically important (~35% of all herbaceous species have their seeds dispersed by ants, and ants modify ecosystem properties) and diverse taxon whose distribution, diversity an ...
Feeding strategies in sympatric red howler monkeys (Alouatta
... Pacaya-Samiria National Reserve, Peru. The habitat types occupied during all behaviours and purely when feeding differed significantly between the three species (p<0.005). The overall diet consumption was also shown to be significantly different between the three species (p<0.005). These results dem ...
... Pacaya-Samiria National Reserve, Peru. The habitat types occupied during all behaviours and purely when feeding differed significantly between the three species (p<0.005). The overall diet consumption was also shown to be significantly different between the three species (p<0.005). These results dem ...
Biological Synopsis of the colonial tunicates
... B. schlosseri was first described by Pallas in 1766 under the name Alcyonium schlosseri (Millar 1966). B. violaceus was first officially distinguished as a separate species by Oka (1927), and the taxonomic details were later clarified by Saito et al. (1981). It has been frequently confused with simi ...
... B. schlosseri was first described by Pallas in 1766 under the name Alcyonium schlosseri (Millar 1966). B. violaceus was first officially distinguished as a separate species by Oka (1927), and the taxonomic details were later clarified by Saito et al. (1981). It has been frequently confused with simi ...
SHIFTING PARADIGMS OF THE EVOLUTION OF CAVE LIFE
... approach, the preferred method of analysis at that time, he showed consistent morphological differences in claw structure and differences in locomotory behavior between cave-modified and unmodified species (Fig. 2), ...
... approach, the preferred method of analysis at that time, he showed consistent morphological differences in claw structure and differences in locomotory behavior between cave-modified and unmodified species (Fig. 2), ...
Threats to Biodiversity - Wildlife Ecology and Conservation
... Human impacts are now a pervasive facet of life on Earth. All realms—terrestrial, marine, and freshwater—bear our imprint; our pollution spans the globe, our fisheries extend throughout the world’s oceans, and our feet tread across almost every surface on Earth. By many estimates, we use substantial ...
... Human impacts are now a pervasive facet of life on Earth. All realms—terrestrial, marine, and freshwater—bear our imprint; our pollution spans the globe, our fisheries extend throughout the world’s oceans, and our feet tread across almost every surface on Earth. By many estimates, we use substantial ...
Interactive effects of habitat modification and species invasion on
... strongly defined lines of invader traits [10] versus invasibility of the recipient ecosystem [11,12]. However, the emerging realization is that these two components of invasion success are not independent [8,13]. Instead, the answers to the most important ‘invasion’ questions depend on the degree of ...
... strongly defined lines of invader traits [10] versus invasibility of the recipient ecosystem [11,12]. However, the emerging realization is that these two components of invasion success are not independent [8,13]. Instead, the answers to the most important ‘invasion’ questions depend on the degree of ...
Beyond species loss: the extinction of ecological interactions in a
... disturbance where all species present in the zero stage have lost their habitat. This axis may represent a reversed area axis, widely used to indirectly predict extinction rates with species–area curves (He & Hubbell 2011). It may also represent any axis of habitat deterioration, such as increased i ...
... disturbance where all species present in the zero stage have lost their habitat. This axis may represent a reversed area axis, widely used to indirectly predict extinction rates with species–area curves (He & Hubbell 2011). It may also represent any axis of habitat deterioration, such as increased i ...
Full text in pdf format
... reveals aggregations of the second order with sizes of more than 1 m2. There are different ways to estimate the size of the patches, e.g. assessment of the degree of conformity between actual distribution and one of the theoretical models, each of which has its own quantitative characteristics of pa ...
... reveals aggregations of the second order with sizes of more than 1 m2. There are different ways to estimate the size of the patches, e.g. assessment of the degree of conformity between actual distribution and one of the theoretical models, each of which has its own quantitative characteristics of pa ...
An Agricultural Law Research Article Bioprospecting, Alien Invasive
... There will be no chance to derive benefits, and opportunities will be lost. The issue is how best to balance control of physical access to genetic resources with the need to ensure benefit sharing. One important aspect is simply to get providing countries to plan better. Capacity building is key. An ...
... There will be no chance to derive benefits, and opportunities will be lost. The issue is how best to balance control of physical access to genetic resources with the need to ensure benefit sharing. One important aspect is simply to get providing countries to plan better. Capacity building is key. An ...
Can the invasive European rabbit (Oryctolagus
... Transects were sampled at four time periods; August 2006, December 2006, March 2007 and March 2008. During this time there was one large rainfall event in January 2007 and rainfall remained below the long-term annual average of 160 mm in all years (Fig. 1). We used the unique location of seedlings ( ...
... Transects were sampled at four time periods; August 2006, December 2006, March 2007 and March 2008. During this time there was one large rainfall event in January 2007 and rainfall remained below the long-term annual average of 160 mm in all years (Fig. 1). We used the unique location of seedlings ( ...
Bifrenaria
Bifrenaria, abbreviated Bif. in horticultural trade, is a genus of plant in family Orchidaceae. It contains 20 species found in Panama, Trinidad and South America. There are no known uses for them, but their abundant, and at first glance artificial, flowers, make them favorites of orchid growers.The genus can be split in two clearly distinct groups: one of highly robust plants with large flowers, that encompass the first species to be classified under the genus Bifrenaria; other of more delicate plants with smaller flowers occasionally classified as Stenocoryne or Adipe. There are two additional species that are normally classified as Bifrenaria, but which molecular analysis indicate to belong to different orchid groups entirely. One is Bifrenaria grandis which is endemic to Bolívia and which is now placed in Lacaena, and Bifrenaria steyermarkii, an inhabitant of the northern Amazon Forest, which does not have an alternative classification.