Do cities export biodiversity? Traffic as dispersal vector
... It is still not entirely understood how mechanisms of homogenization and differentiation of urban floras work in detail, mainly because of the complex interactions of different factors that are hard to separate. Many studies revealed positive correlations between habitat variability in cities and pl ...
... It is still not entirely understood how mechanisms of homogenization and differentiation of urban floras work in detail, mainly because of the complex interactions of different factors that are hard to separate. Many studies revealed positive correlations between habitat variability in cities and pl ...
Conservation Easements - Natural Resources Class 2013
... • larger blocks might otherwise be beyond dispersal distance • may increase local population ...
... • larger blocks might otherwise be beyond dispersal distance • may increase local population ...
with one new record from Gilgit-Baltistan, Pakistan
... these 4 species, S. posticalis Sicard is reported here as a new record from the study area. A description of each species is given, along with color plates of adult specimens and genitalia. Remarks pertaining to taxonomic discussion, history, taxon status, hosts, habitat, identification key, and dis ...
... these 4 species, S. posticalis Sicard is reported here as a new record from the study area. A description of each species is given, along with color plates of adult specimens and genitalia. Remarks pertaining to taxonomic discussion, history, taxon status, hosts, habitat, identification key, and dis ...
Translocation strategies for multiple species depend on interspecific
... Hoplodactylus duvaucelii, and Oligosoma smithi, were reintroduced to Tiritiri Matangi Island, an island that already held other native and possibly competing reptile species (Baling et al. 2013). The desire to recreate historical ecosystems often leads to species being translocated to the same desti ...
... Hoplodactylus duvaucelii, and Oligosoma smithi, were reintroduced to Tiritiri Matangi Island, an island that already held other native and possibly competing reptile species (Baling et al. 2013). The desire to recreate historical ecosystems often leads to species being translocated to the same desti ...
THE EcosysTEm 2 Structure 2.1
... A community is a group of populations living and interacting with each other in a common habitat. This contrasts with the term ‘population’ which refers to just one species. The grasslands of Africa contain wildebeest, lions, hyenas, g ...
... A community is a group of populations living and interacting with each other in a common habitat. This contrasts with the term ‘population’ which refers to just one species. The grasslands of Africa contain wildebeest, lions, hyenas, g ...
Including species interactions in risk assessments for global change
... ECOLOGICAL RISK ASSESSMENTS FOR GLOBAL CHANGE needed for each of these variables, with scenarios of future change (Leemans, 1996). We also need functions that relate microclimate to radiation and topography (Nikolov & Zeller, 1992); evaporative cooling to radiation (Kingsolver, 1979); evapotranspir ...
... ECOLOGICAL RISK ASSESSMENTS FOR GLOBAL CHANGE needed for each of these variables, with scenarios of future change (Leemans, 1996). We also need functions that relate microclimate to radiation and topography (Nikolov & Zeller, 1992); evaporative cooling to radiation (Kingsolver, 1979); evapotranspir ...
Major Patterns and Processes in Biodiversity: taxonomic
... explanation as to where and why this new sister taxon evolved. In the former case, it does not explain sufficiently why sister taxa are found together on one and the same island. In both cases it is not clear why the sister taxa wait with migration untill full speciation has taken place. The end res ...
... explanation as to where and why this new sister taxon evolved. In the former case, it does not explain sufficiently why sister taxa are found together on one and the same island. In both cases it is not clear why the sister taxa wait with migration untill full speciation has taken place. The end res ...
Feeding habits of Collembola and their ecological niche
... in the rainy seasons (Palacios-Vargas & Castaño-Meneses 2003), its abundance increased during the dry season, reaching 8% of the total number of springtails; this species also showed variation in dietary components. We were not able to identify any material in the gut of the species collected from b ...
... in the rainy seasons (Palacios-Vargas & Castaño-Meneses 2003), its abundance increased during the dry season, reaching 8% of the total number of springtails; this species also showed variation in dietary components. We were not able to identify any material in the gut of the species collected from b ...
1" 2" 3" Phylogenetic diversity promotes ecosystem stability 4" 5" 6
... if a species declines due to stressful environmental conditions at the same time when ...
... if a species declines due to stressful environmental conditions at the same time when ...
Ecology and ecosystems: the here and now Feedback loops
... • Organisms die, this leads to high bacterial populations (decomposers) which deplete oxygen • This leads to more death • Stratification and oxygen depletion on the bottom • Can affect all trophic levels, but it takes time ...
... • Organisms die, this leads to high bacterial populations (decomposers) which deplete oxygen • This leads to more death • Stratification and oxygen depletion on the bottom • Can affect all trophic levels, but it takes time ...
Woodland types and the butterflies and moths they support
... deciduous woodland are potentially very rich habitats for butterflies of concern. If actively managed to produce a diverse structure with a continuous supply of open areas then many of the rarer species can potentially occur. In addition, Silver-washed Fritillary and White Admiral occur in the more ...
... deciduous woodland are potentially very rich habitats for butterflies of concern. If actively managed to produce a diverse structure with a continuous supply of open areas then many of the rarer species can potentially occur. In addition, Silver-washed Fritillary and White Admiral occur in the more ...
IMPACT: Toward a framework for understanding the
... Although ecologists commonly talk about the impacts of nonindigenous species, little formal attention has been given to defining what we mean by impact, or connecting ecological theory with particular measures of impact. The resulting lack of generalizations regarding invasion impacts is more than a ...
... Although ecologists commonly talk about the impacts of nonindigenous species, little formal attention has been given to defining what we mean by impact, or connecting ecological theory with particular measures of impact. The resulting lack of generalizations regarding invasion impacts is more than a ...
Levels of Organization & Relationships Notes (2.1)
... The lowest level of organization is the individual organism itself. Organisms of a single species that share the same geographic location at the same time make up a population. A community is a group of interacting populations that occupy the same geographic area at the same time. ...
... The lowest level of organization is the individual organism itself. Organisms of a single species that share the same geographic location at the same time make up a population. A community is a group of interacting populations that occupy the same geographic area at the same time. ...
American Burying Beetle Nicrophorus americanus
... The species is not migratory, and its movements are limited. However, it does range more widely than its smaller congeners (i.e., species of the same genus), and likely across more habitat types. Adults begin their seasonal activities when the temperature exceeds 15°C. They are crepuscular and noctu ...
... The species is not migratory, and its movements are limited. However, it does range more widely than its smaller congeners (i.e., species of the same genus), and likely across more habitat types. Adults begin their seasonal activities when the temperature exceeds 15°C. They are crepuscular and noctu ...
Chapter 9: Ecology Lesson 9.3: Relationships and Interactions in an
... The energy of the sun is first captured by producers, organisms that can make their own food. Many producers make their own food through the process of photosynthesis. The "food" the producers make is the sugar, glucose. Producers make food for the rest of the ecosystem. As energy is not recycled, e ...
... The energy of the sun is first captured by producers, organisms that can make their own food. Many producers make their own food through the process of photosynthesis. The "food" the producers make is the sugar, glucose. Producers make food for the rest of the ecosystem. As energy is not recycled, e ...
assessment
... Citation: Burbidge, A.A. & Woinarski, J. 2016. Parantechinus apicalis. The IUCN Red List of Threatened Species 2016: e.T16138A21944584. http://dx.doi.org/10.2305/IUCN.UK.20162.RLTS.T16138A21944584.en Copyright: © 2016 International Union for Conservation of Nature and Natural Resources Reproduction ...
... Citation: Burbidge, A.A. & Woinarski, J. 2016. Parantechinus apicalis. The IUCN Red List of Threatened Species 2016: e.T16138A21944584. http://dx.doi.org/10.2305/IUCN.UK.20162.RLTS.T16138A21944584.en Copyright: © 2016 International Union for Conservation of Nature and Natural Resources Reproduction ...
Distributional Ecology of New Guinea Birds
... most easily observed and identifiedani- mountain islands varies with area and island's present physical characteristics mals, and partly because of unique isolation, providing innumerable "ex- and is independentof the island's hisadvantagesof New Guinea itself New periments of nature" whereby the to ...
... most easily observed and identifiedani- mountain islands varies with area and island's present physical characteristics mals, and partly because of unique isolation, providing innumerable "ex- and is independentof the island's hisadvantagesof New Guinea itself New periments of nature" whereby the to ...
Title: A new idea on the evolution of biodiversity
... The carrying capacity, however, should not be seen as a static threshold, but rather as a dynamic range of density that regulates the number of individuals in populations. Without the constraint of this ecological edge the population would increase following an exponential growth, with an intrinsic ...
... The carrying capacity, however, should not be seen as a static threshold, but rather as a dynamic range of density that regulates the number of individuals in populations. Without the constraint of this ecological edge the population would increase following an exponential growth, with an intrinsic ...
NotesChapter7
... al. 1996, Caughley and Gunn 1996, Primack 1998). The internet is increasingly important for accessing literature (Primack 1998). Uses of Population Viability Analysis PVA may be used to: estimate the extinction probability for a population; determine the minimum viable population; determine minimum ...
... al. 1996, Caughley and Gunn 1996, Primack 1998). The internet is increasingly important for accessing literature (Primack 1998). Uses of Population Viability Analysis PVA may be used to: estimate the extinction probability for a population; determine the minimum viable population; determine minimum ...
NotesChapter7
... Three approaches to PVA exist: pattern analysis of long term studies, subjective assessment using decision analysis based on expert knowledge and mathematical and/or statistical modeling (Begon et al. 1996, Cox 1997). The most commonly discussed approach is modeling (Caughley & Gunn 1996, Primack 1 ...
... Three approaches to PVA exist: pattern analysis of long term studies, subjective assessment using decision analysis based on expert knowledge and mathematical and/or statistical modeling (Begon et al. 1996, Cox 1997). The most commonly discussed approach is modeling (Caughley & Gunn 1996, Primack 1 ...
Climate change and species interactions: ways forward
... of temperature on individual species and their interactions can be complex, for example when temperature affects both per capita interaction strength and population size.24 Jessica Hellmann (University of Notre Dame) spoke about how evolutionary history can affect biotic responses to climate change. ...
... of temperature on individual species and their interactions can be complex, for example when temperature affects both per capita interaction strength and population size.24 Jessica Hellmann (University of Notre Dame) spoke about how evolutionary history can affect biotic responses to climate change. ...
Unit 2 Homework Sheet
... 3) Conduct a controlled experiment to test the toxicity of salt on the growth of lettuce seeds. 4) Describe the “energy economy” of the environment, including the concept of productivity. 5) Understand systems as a way to model the environment. Use a model of energy in ecosystems. 6) Understand “nic ...
... 3) Conduct a controlled experiment to test the toxicity of salt on the growth of lettuce seeds. 4) Describe the “energy economy” of the environment, including the concept of productivity. 5) Understand systems as a way to model the environment. Use a model of energy in ecosystems. 6) Understand “nic ...
roads and carrion-feeding beetle communitiesrequenting beetles
... In total, we collected 1,569 beetles of 72 species. Most of the beetles collected were from taxa known to be carrion-feeders (Silphidae, Trogidae) or predators on fly eggs or maggots (e.g. Staphylinidae). Like other studies of carrion (e.g. Sikes 1994) the assemblages also included beetles from fami ...
... In total, we collected 1,569 beetles of 72 species. Most of the beetles collected were from taxa known to be carrion-feeders (Silphidae, Trogidae) or predators on fly eggs or maggots (e.g. Staphylinidae). Like other studies of carrion (e.g. Sikes 1994) the assemblages also included beetles from fami ...
Tale of Two Scorpions - Teacher Copy2
... The proportion of times the painful species was approached (0.63) and inspected (0.60) was greater than 0.50. The proportion of times the painless species was tipped (0.89), attacked (1.00), and consumed (1.00) was greater than 0.50. In fact, there was never a trial where the mice chose to attack or ...
... The proportion of times the painful species was approached (0.63) and inspected (0.60) was greater than 0.50. The proportion of times the painless species was tipped (0.89), attacked (1.00), and consumed (1.00) was greater than 0.50. In fact, there was never a trial where the mice chose to attack or ...