background - Department of Ecology and Evolutionary Biology
... GRADUATE MAJORS Current (names and expected date and field of degree including degree. For example, Ph.D., M.S., MPS, MAT, etc.) Marjorie Weber, E&EB, Ph.D., 2014 Alexis C. Erwin, E&EB, Ph.D., 2013 Total Completed (names and dates) Nile Kurashige (2001-2004) primary advisor, MSc Botany, University o ...
... GRADUATE MAJORS Current (names and expected date and field of degree including degree. For example, Ph.D., M.S., MPS, MAT, etc.) Marjorie Weber, E&EB, Ph.D., 2014 Alexis C. Erwin, E&EB, Ph.D., 2013 Total Completed (names and dates) Nile Kurashige (2001-2004) primary advisor, MSc Botany, University o ...
Primary producers sustaining macro-invertebrate
... and (2) a consistent degree of fractionation occurs between the isotopic signal of the diet and that of the consumer. For δ13C, a small or negligible enrichment of on average 0–1‰ has been found to occur (DeNiro and Epstein 1978). For δ15N, a higher fractionation of on average 2.6‰ (Owens 1987) to 3 ...
... and (2) a consistent degree of fractionation occurs between the isotopic signal of the diet and that of the consumer. For δ13C, a small or negligible enrichment of on average 0–1‰ has been found to occur (DeNiro and Epstein 1978). For δ15N, a higher fractionation of on average 2.6‰ (Owens 1987) to 3 ...
Aqua Introductory Research Essay 2016:2
... Abstract Animal populations have historically often been viewed as groups consisting of identical individuals. However, as almost all animal taxa grow during ontogeny, populations do consist of differently sized individuals which affect their environment in different ways. As growth, survival and r ...
... Abstract Animal populations have historically often been viewed as groups consisting of identical individuals. However, as almost all animal taxa grow during ontogeny, populations do consist of differently sized individuals which affect their environment in different ways. As growth, survival and r ...
Department of Biology
... BIOL 101 – Evolution and Ecology (3) Most introductory biology courses focus on cellular processes or human anatomy and physiology. Topics of ecology, evolution, and biodiversity are not explored in detail or omitted altogether. Evolution and Ecology helps students understand major biological concep ...
... BIOL 101 – Evolution and Ecology (3) Most introductory biology courses focus on cellular processes or human anatomy and physiology. Topics of ecology, evolution, and biodiversity are not explored in detail or omitted altogether. Evolution and Ecology helps students understand major biological concep ...
Effects of intra- and interspecific competition on
... Abstract The ecological risk assessment of pesticides is generally based on toxicity data obtained from singlespecies laboratory experiments and does not take into account ecological interactions such as competition or predation. Intraspecific and interspecific competition are expected to result in ...
... Abstract The ecological risk assessment of pesticides is generally based on toxicity data obtained from singlespecies laboratory experiments and does not take into account ecological interactions such as competition or predation. Intraspecific and interspecific competition are expected to result in ...
Dynamics and genetic diversification of Escherichia coli
... mutagenic agents in the anaerobic environment are not fully understood. It is hypothesised that the different mutation spectra and rates imposed by each environment are likely to impact the evolutionary trajectory of organisms during adaptation. Independent E. coli populations that are allowed to ev ...
... mutagenic agents in the anaerobic environment are not fully understood. It is hypothesised that the different mutation spectra and rates imposed by each environment are likely to impact the evolutionary trajectory of organisms during adaptation. Independent E. coli populations that are allowed to ev ...
Using trophic hierarchy to understand food web
... seemed reasonable to couple C, which calculates species’ trophic position on the base of trophic links only, with ‘AMI-living’ that also makes use of trophic links. On the other hand, both W and H compute species trophic position by including also non-trophic links; accordingly they have been associ ...
... seemed reasonable to couple C, which calculates species’ trophic position on the base of trophic links only, with ‘AMI-living’ that also makes use of trophic links. On the other hand, both W and H compute species trophic position by including also non-trophic links; accordingly they have been associ ...
Desert Pupfish (Cyprinodon macularius)
... Loftis et al. (2009) assessed the mitochondrial DNA (mtDNA) results from the 1997 and 1998 surveys by Echelle et al. (2000) and used data from 10 microsatellite DNA loci to describe the genetic structure of the two extant species (C. macularius and C. eremus). According to Loftis et al., this data s ...
... Loftis et al. (2009) assessed the mitochondrial DNA (mtDNA) results from the 1997 and 1998 surveys by Echelle et al. (2000) and used data from 10 microsatellite DNA loci to describe the genetic structure of the two extant species (C. macularius and C. eremus). According to Loftis et al., this data s ...
Corridor Length and Patch Colonization by a Butterfly, Junonia coenia
... from a source patch; (2) are not restricted or directed by habitat boundaries; (3) are reluctant to enter corridors that have a high proportion of edge habitat; and/or (4) experience higher rates of predation within corridors. Species that evolved within naturally fragmented landscapes may be most l ...
... from a source patch; (2) are not restricted or directed by habitat boundaries; (3) are reluctant to enter corridors that have a high proportion of edge habitat; and/or (4) experience higher rates of predation within corridors. Species that evolved within naturally fragmented landscapes may be most l ...
Truly Long-Term Sustainability: An Archaeological Analysis of
... The transition from Middle to Late Woodland I periods (AD 500-900) show a marked increase in artifact frequency in the midden, including the largest number of flaked stone and fire-cracked rock and the greatest density of ceramics [10]. A comparison the mean height of oyster shells from Kiskiak duri ...
... The transition from Middle to Late Woodland I periods (AD 500-900) show a marked increase in artifact frequency in the midden, including the largest number of flaked stone and fire-cracked rock and the greatest density of ceramics [10]. A comparison the mean height of oyster shells from Kiskiak duri ...
Whooping Crane (Grus americana)
... The birds all but disappeared from these areas in the beginning of the 20th century, and today the only self-sustaining wild population breeds in Wood Buffalo National Park (WBNP), located in the Northwest Territories and northern Alberta. This population winters in and around Aransas National Wildl ...
... The birds all but disappeared from these areas in the beginning of the 20th century, and today the only self-sustaining wild population breeds in Wood Buffalo National Park (WBNP), located in the Northwest Territories and northern Alberta. This population winters in and around Aransas National Wildl ...
Islands as an Invasion Pathway for the Rusty Crayfish, Orconectes
... a result of the behavioral and physical advantages the rusty crayfish possesses. The virile crayfish, O. virilis, is one species that has been negatively impacted by of the rusty crayfish. In situations where O. rusticus has invaded, O. virilis is in direct competition for food and shelter. Because ...
... a result of the behavioral and physical advantages the rusty crayfish possesses. The virile crayfish, O. virilis, is one species that has been negatively impacted by of the rusty crayfish. In situations where O. rusticus has invaded, O. virilis is in direct competition for food and shelter. Because ...
Patterns of habitat use and segregation among African large
... allegedly diurnal wild dogs and the nocturnal spotted hyenas and lions. Wild dogs are commonly described as day active, and such behaviour has been described as an adaptation to evade interactions with the two other dominant species. We, however, showed a degree of temporal overlap considerably high ...
... allegedly diurnal wild dogs and the nocturnal spotted hyenas and lions. Wild dogs are commonly described as day active, and such behaviour has been described as an adaptation to evade interactions with the two other dominant species. We, however, showed a degree of temporal overlap considerably high ...
Foothill yellow-legged frog petition
... regimes and loss of habitat caused by dam construction are the greatest threats (Ashton et al. 1997). Potential breeding habitat was reduced by 94 percent after dam construction (Lind et al. 1996). Controlled flows allowed encroachment of riparian vegetation and retarded cobble/gravel bar formation. ...
... regimes and loss of habitat caused by dam construction are the greatest threats (Ashton et al. 1997). Potential breeding habitat was reduced by 94 percent after dam construction (Lind et al. 1996). Controlled flows allowed encroachment of riparian vegetation and retarded cobble/gravel bar formation. ...
Pesticide effects on freshwater zooplankton: an ecological perspective
... resting eggs. Dodson and co-workers have found that anthropogenic chemicals, including nonylphenol, dieldrin and atrazine, aect the production of Daphnia males and alter the sex ratio (Shurin and Dodson, 1997; Dodson et al., 1999a, b). This means that the chemicals control the Daphnia population dy ...
... resting eggs. Dodson and co-workers have found that anthropogenic chemicals, including nonylphenol, dieldrin and atrazine, aect the production of Daphnia males and alter the sex ratio (Shurin and Dodson, 1997; Dodson et al., 1999a, b). This means that the chemicals control the Daphnia population dy ...
Vernal Pool Fairy Shrimp
... pool invertebrates. These threats include the conversion of vernal pool habitat to agricultural lands and urban development, and stochastic extinction because of the small and isolated nature of remaining populations (U.S. Fish and Wildlife Service 1994). The limited and disjunct distribution of ver ...
... pool invertebrates. These threats include the conversion of vernal pool habitat to agricultural lands and urban development, and stochastic extinction because of the small and isolated nature of remaining populations (U.S. Fish and Wildlife Service 1994). The limited and disjunct distribution of ver ...
Biodiversity loss and its impact on humanity
... simplified experiments45. Saturation could be imposed by the spatial homogeneity, short timescales, or limited species pools of experiments that minimize opportunities for expression of niche differences. In support of this hypothesis, select case studies suggest that as experiments run longer, satu ...
... simplified experiments45. Saturation could be imposed by the spatial homogeneity, short timescales, or limited species pools of experiments that minimize opportunities for expression of niche differences. In support of this hypothesis, select case studies suggest that as experiments run longer, satu ...
The functional role of biodiversity in ecosystems
... is often attributed to niche partitioning or facilitation (Tilman et al. 1997; Loreau & Hector 2001), but since it is defined statistically as the sum of all effects not attributable to selection, complementarity may also arise from indirect effects or non-linear functional responses (Sih et al. 199 ...
... is often attributed to niche partitioning or facilitation (Tilman et al. 1997; Loreau & Hector 2001), but since it is defined statistically as the sum of all effects not attributable to selection, complementarity may also arise from indirect effects or non-linear functional responses (Sih et al. 199 ...
a simulation of the future of kakapo
... amount of seed produced (Norton & Kelly 1988), so that in years of heavy seedfall not only is there more seed, but a higher proportion is sound. Thus, when the number of seeds was low, it was likely that there was virtually no sound seed and no food for kakapo, hence the lack of breeding. When seeds ...
... amount of seed produced (Norton & Kelly 1988), so that in years of heavy seedfall not only is there more seed, but a higher proportion is sound. Thus, when the number of seeds was low, it was likely that there was virtually no sound seed and no food for kakapo, hence the lack of breeding. When seeds ...
Bartonella chomelii sp. nov., isolated from French domestic cattle
... (Houpikian & Raoult, 2001a), as well as the 16S rRNA gene (Birtles, 1995) and the 16S–23S rRNA intergenic spacer region (ITS) (Jensen et al., 2000). The degree of identity of these genes among Bartonella species has then been assessed both indirectly, by using RFLP analysis (Birtles, 1995; Joblet et ...
... (Houpikian & Raoult, 2001a), as well as the 16S rRNA gene (Birtles, 1995) and the 16S–23S rRNA intergenic spacer region (ITS) (Jensen et al., 2000). The degree of identity of these genes among Bartonella species has then been assessed both indirectly, by using RFLP analysis (Birtles, 1995; Joblet et ...
Conference program and abstracts. International - CITA-A
... interwoven with that of ecology and evolutionary biology. Traditionally viewed as the study of geographic distributions, modern biogeography now explores a great diversity of patterns in the geographic variation of nature — from physiological, morphological and genetic variation among individuals an ...
... interwoven with that of ecology and evolutionary biology. Traditionally viewed as the study of geographic distributions, modern biogeography now explores a great diversity of patterns in the geographic variation of nature — from physiological, morphological and genetic variation among individuals an ...
Plan de gestion du Faucon pèlerin anatum/tundrius
... National surveys of Peregrine Falcon breeding populations have been carried out every five years in Canada since 1970 (Holroyd and Banasch 2012). These surveys indicate that the number of sites occupied by the Peregrine Falcon anatum/tundrius has increased, 4 surpassing the size of the known histori ...
... National surveys of Peregrine Falcon breeding populations have been carried out every five years in Canada since 1970 (Holroyd and Banasch 2012). These surveys indicate that the number of sites occupied by the Peregrine Falcon anatum/tundrius has increased, 4 surpassing the size of the known histori ...
Risk analysis of the - Belgian Biodiversity Platform
... squirrel has a high invasive ability and will find, in Belgium and in the Ecoregion, suitable climatic conditions, habitats and food disponibility in forests, woodlots and parks. Furthermore, only a few individuals are needed to develop a founding population. ...
... squirrel has a high invasive ability and will find, in Belgium and in the Ecoregion, suitable climatic conditions, habitats and food disponibility in forests, woodlots and parks. Furthermore, only a few individuals are needed to develop a founding population. ...