Invasive Species Definition Clarification and Guidance White Paper
... Complications concerning the concept of invasive species arise from differing human values and perspectives. Differing perceptions of the relative harm caused or benefit gained by a particular organism are influenced by different values and management goals. If invasive species did not cause harm, w ...
... Complications concerning the concept of invasive species arise from differing human values and perspectives. Differing perceptions of the relative harm caused or benefit gained by a particular organism are influenced by different values and management goals. If invasive species did not cause harm, w ...
Species diversity throughout the food chain maintains multiple
... levels of the food chain (known as trophic levels1) — has been assessed in a new study. Higher species diversity across trophic levels — particularly for plants, insects and soil microbial decomposers — is important for the provision of multiple ecosystem services related to food production, recreat ...
... levels of the food chain (known as trophic levels1) — has been assessed in a new study. Higher species diversity across trophic levels — particularly for plants, insects and soil microbial decomposers — is important for the provision of multiple ecosystem services related to food production, recreat ...
Ecology and Ecosystems - Baltic University Programme
... ecosystems such as urban regions, and regions dominated by more or less industrialised agriculture, exclude many species that formerly were typical. Again many species live on the fringes of their capacity, now due to man-made changes. Obviously, since man is a species and, as was described in chapt ...
... ecosystems such as urban regions, and regions dominated by more or less industrialised agriculture, exclude many species that formerly were typical. Again many species live on the fringes of their capacity, now due to man-made changes. Obviously, since man is a species and, as was described in chapt ...
2009 Review Sheet - University of Arizona | Ecology and
... 89. What are two common ways that one population of a species becomes two isolated populations? How is sea level relevant to this topic? 90. Explain plate tectonics and the relevance to biogeography. 91. To what conservation applications has ETIBG been applied? Are there caveats we should consider? ...
... 89. What are two common ways that one population of a species becomes two isolated populations? How is sea level relevant to this topic? 90. Explain plate tectonics and the relevance to biogeography. 91. To what conservation applications has ETIBG been applied? Are there caveats we should consider? ...
Download poster as a PDF file
... to increase at Kahanahaiki relative to Pahole, although the differences between trends at these two sites were not statistically significant (Figs. 1 and 2, middle panels). The strongest evidence for potential recovery after rat snapping involved caterpillars, which increased significantly more i ...
... to increase at Kahanahaiki relative to Pahole, although the differences between trends at these two sites were not statistically significant (Figs. 1 and 2, middle panels). The strongest evidence for potential recovery after rat snapping involved caterpillars, which increased significantly more i ...
Sciurus carolinensis, Eastern Gray Squirrel
... Habitat and Ecology (see Appendix for additional information) It is found in large blocks of hardwood or mixed forests, as well as in urban and suburban areas. Prefers mature deciduous and mixed forests with abundant supplies of mast (e.g., acorns, hickory nuts). A diversity of nut trees is needed t ...
... Habitat and Ecology (see Appendix for additional information) It is found in large blocks of hardwood or mixed forests, as well as in urban and suburban areas. Prefers mature deciduous and mixed forests with abundant supplies of mast (e.g., acorns, hickory nuts). A diversity of nut trees is needed t ...
Soysambu Conservancy
... mountain range, Bahati, Mau and Aberdare forest which form a very important water catchment area for the lake groundwater flows. Elmenteita is one of the major flamingo Lakes in Kenya. The lake itself fluctuates between 19 and 22 km2 with a depth of about 2 m and has a terrestrial buffer zone of 108 ...
... mountain range, Bahati, Mau and Aberdare forest which form a very important water catchment area for the lake groundwater flows. Elmenteita is one of the major flamingo Lakes in Kenya. The lake itself fluctuates between 19 and 22 km2 with a depth of about 2 m and has a terrestrial buffer zone of 108 ...
Mammalogy - Virginia Tech
... common porcupine is not on the list. The occasional records of porcupines over the years likely represent vagrant individuals of this sometimes widely wandering species. Museum or university specialists should be notified when sightings are made of any of these species or if physical specimens are f ...
... common porcupine is not on the list. The occasional records of porcupines over the years likely represent vagrant individuals of this sometimes widely wandering species. Museum or university specialists should be notified when sightings are made of any of these species or if physical specimens are f ...
S33-4 Extinction by hybridization and introgression in anatine ducks
... of hybridization due to secondary contact, suggesting that taxa should be considered as separate species if the level of divergence between them indicates that they will remain distinct. The example given is the ruddy duck and whiteheaded duck. Unfortunately, even highly divergent congeneric species ...
... of hybridization due to secondary contact, suggesting that taxa should be considered as separate species if the level of divergence between them indicates that they will remain distinct. The example given is the ruddy duck and whiteheaded duck. Unfortunately, even highly divergent congeneric species ...
paper - Jordi Bascompte
... the maximal ingestion and respiration rates for ectothermic vertebrates. Mj is the average body mass of the predator and Mb is the body mass of a reference basal species (set to 1). Finally, the species maximum consumption rate relative to its a metabolic rate is defined as yi ¼ axy . Average body ma ...
... the maximal ingestion and respiration rates for ectothermic vertebrates. Mj is the average body mass of the predator and Mb is the body mass of a reference basal species (set to 1). Finally, the species maximum consumption rate relative to its a metabolic rate is defined as yi ¼ axy . Average body ma ...
biodiversity - City of Mitcham
... The data should be interpreted with care because increases in species at risk can be attributed to increased knowledge of species that were already at risk. ...
... The data should be interpreted with care because increases in species at risk can be attributed to increased knowledge of species that were already at risk. ...
Habitat Use and Community Structure in an Assemblage of Cottid
... of concordance and was tested for significance by Friedman's rank test (Kendall 1962). Because no cottid species was found at all sites, the rank tests for each species only included those sites where the species was observed. For both Artedius fenestralis and Chitonotus pugetensis, encountered only ...
... of concordance and was tested for significance by Friedman's rank test (Kendall 1962). Because no cottid species was found at all sites, the rank tests for each species only included those sites where the species was observed. For both Artedius fenestralis and Chitonotus pugetensis, encountered only ...
Housing reptiles and amphibians
... areas where they can bask in the sun and shelter areas too. Predation by birds and cats can be a problem. The hiding places do make it difficult to see the reptiles on a daily basis to check on them. Chicken wire must never be used as reptiles tend to rub their noses on it which can result in severe ...
... areas where they can bask in the sun and shelter areas too. Predation by birds and cats can be a problem. The hiding places do make it difficult to see the reptiles on a daily basis to check on them. Chicken wire must never be used as reptiles tend to rub their noses on it which can result in severe ...
PowerPoint - Colorado Bar Association
... • 165 million-acre range spans 11 Western states • Approximately 500,000 birds (approximately 200,000 harvested between 2007 and the present) • Never before has such a wide-ranging and numerous species been considered for listing under the ESA • Populations have risen 63% over the past two springs • ...
... • 165 million-acre range spans 11 Western states • Approximately 500,000 birds (approximately 200,000 harvested between 2007 and the present) • Never before has such a wide-ranging and numerous species been considered for listing under the ESA • Populations have risen 63% over the past two springs • ...
Tenacity and the Wave-Exposure Gradient
... and glass substrata in the laboratory. The species were fbund together at most sites, and both species were found at al1 levels of wave exposure. Within each species, shell height was strongly related to foot length, width, and area, and to tenacity. Tenacity was directly proportional to foot area, ...
... and glass substrata in the laboratory. The species were fbund together at most sites, and both species were found at al1 levels of wave exposure. Within each species, shell height was strongly related to foot length, width, and area, and to tenacity. Tenacity was directly proportional to foot area, ...
dietary habits of the common rodents in an agroecosystem in
... placed at 5-rn intervals along transects in the major habitat types. Each location was visited about every 5 weeks, and a minimum of 225 snap traps were set each night for 3 consecutive nights. Snap traps were baited with peanut butter and checked early each morning. Stomach content analysis.-Carcas ...
... placed at 5-rn intervals along transects in the major habitat types. Each location was visited about every 5 weeks, and a minimum of 225 snap traps were set each night for 3 consecutive nights. Snap traps were baited with peanut butter and checked early each morning. Stomach content analysis.-Carcas ...
Aquatic Nuisance Species Effects on Sustainability of LAKE CHAMPLAIN Susan Trzaskos
... watermilfoil forms large, dense floating canopies of surface vegetation that can outcompete and eliminate native aquatic vegetation as well as native fish and wildlife populations. The vegetation prevents light penetration for native plants, raises the pH of the water, decreases dissolved oxygen lev ...
... watermilfoil forms large, dense floating canopies of surface vegetation that can outcompete and eliminate native aquatic vegetation as well as native fish and wildlife populations. The vegetation prevents light penetration for native plants, raises the pH of the water, decreases dissolved oxygen lev ...
A new flatworm (Platyhelminthes: Polycladida) which mimics a
... a reticulum of narrow black lines. Furthermore, the rhinophores (resembling the pseudotentacles in Pseudoceros) are black in colour. Gills in phyllidiid nudibranchs are found ventro-laterally and hence the only obvious distinguishing characteristic between this nudibranch and this flatworm, in situ, ...
... a reticulum of narrow black lines. Furthermore, the rhinophores (resembling the pseudotentacles in Pseudoceros) are black in colour. Gills in phyllidiid nudibranchs are found ventro-laterally and hence the only obvious distinguishing characteristic between this nudibranch and this flatworm, in situ, ...
Press Release (ENG): Mohamed bin Zayed Species Conservation
... As part of a globally connected university-level class, Zayed University students together with students from 16 universities in countries such as the United States, Russia, Germany, Malaysia, Australia, and Chile, have joined together here in Abu Dhabi to advise the MBZ Fund on digital communicati ...
... As part of a globally connected university-level class, Zayed University students together with students from 16 universities in countries such as the United States, Russia, Germany, Malaysia, Australia, and Chile, have joined together here in Abu Dhabi to advise the MBZ Fund on digital communicati ...
Summary
... examination. Just two grids showed the existence of obsolete data. With several supplementary detailed-analysis the distribution of hotspots could be logically proved correct. ...
... examination. Just two grids showed the existence of obsolete data. With several supplementary detailed-analysis the distribution of hotspots could be logically proved correct. ...
Ecological dynamics and agricultural landscapes.
... steady-state stocking rate, in sheep equivalents, tells one what is most important about grazing systems. These systems, since they involve species with long life-times and relatively slow growth rates, are slow to respond to and recover from management action and disturbance. The other two classes ...
... steady-state stocking rate, in sheep equivalents, tells one what is most important about grazing systems. These systems, since they involve species with long life-times and relatively slow growth rates, are slow to respond to and recover from management action and disturbance. The other two classes ...
The paradox of enrichment in phytoplankton by induced competitive
... In our model we assume that the birth rates of phytoplankton species are increasing with the increase in nutrient level. As a consequence, we expect an increase in the possibility of coexistence because of more nutrients for all species1. However, we also expect that the increase in nutrients leads ...
... In our model we assume that the birth rates of phytoplankton species are increasing with the increase in nutrient level. As a consequence, we expect an increase in the possibility of coexistence because of more nutrients for all species1. However, we also expect that the increase in nutrients leads ...
Lichens - Corridor appalachien
... Animals, plants and fungi are three major groupings of multicellular life on earth. Fungi are primarily responsible for decomposition, or biological recycling; their diversity is well beyond that of plants and animals. Examples of fungi include the mushrooms you eat and the bracket polypores that lo ...
... Animals, plants and fungi are three major groupings of multicellular life on earth. Fungi are primarily responsible for decomposition, or biological recycling; their diversity is well beyond that of plants and animals. Examples of fungi include the mushrooms you eat and the bracket polypores that lo ...
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.