Problems with areal definitions of endemism: the effects of spatial
... Raxworthy & Nussbaum, 1996) or assessing levels of uniqueness of faunas in natural regions (e.g. Fjeldsa, 1993; Hernández-Baños et al., 1995). Although at times handicapped by its reference to human political units or habitat definitions, this definition provides an unambiguous list of taxa found ...
... Raxworthy & Nussbaum, 1996) or assessing levels of uniqueness of faunas in natural regions (e.g. Fjeldsa, 1993; Hernández-Baños et al., 1995). Although at times handicapped by its reference to human political units or habitat definitions, this definition provides an unambiguous list of taxa found ...
Concepts and approaches for marine ecosystem research with
... values than cold-blooded metazoa due to their additional energy need for thermoregulation. Similar differences can be found between metazoans and protozoans (Wieser 1986). As “b” is always <1, the mass-specific metabolism (i.e. the metabolism per gram body weight) decreases with body size, which mea ...
... values than cold-blooded metazoa due to their additional energy need for thermoregulation. Similar differences can be found between metazoans and protozoans (Wieser 1986). As “b” is always <1, the mass-specific metabolism (i.e. the metabolism per gram body weight) decreases with body size, which mea ...
Life in the Colonies: Learning the Alien Ways of
... the asexually produced fragments are able to keep on growing after being scattered by storms or carried to a new area, the results can extend a species geographic distribution, as well as increasing a genet’s population size. Other processes of asexual recruitment, such as gemmulation and encapsulat ...
... the asexually produced fragments are able to keep on growing after being scattered by storms or carried to a new area, the results can extend a species geographic distribution, as well as increasing a genet’s population size. Other processes of asexual recruitment, such as gemmulation and encapsulat ...
Agriculture, Ecosystems and Environment The
... 2008). These global changes (e.g. climate change, biological invasions, N deposition) also affect our ability to restore ecosystems and, perhaps more significantly, affect the ecological relevance of ecosystems that we restore. A rapidly changing world necessitates that land managers consider how to ...
... 2008). These global changes (e.g. climate change, biological invasions, N deposition) also affect our ability to restore ecosystems and, perhaps more significantly, affect the ecological relevance of ecosystems that we restore. A rapidly changing world necessitates that land managers consider how to ...
Pinyon Jay - New Mexico Avian Conservation Partners
... past, large areas of pinyon-juniper woodland have been eradicated to encourage livestock grazing on both public and private lands. Removal of woodland by chaining has dramatic effects on breeding bird populations (Sedgwick and Ryder 1987). Habitat may also be degraded by poorly planned woodland thin ...
... past, large areas of pinyon-juniper woodland have been eradicated to encourage livestock grazing on both public and private lands. Removal of woodland by chaining has dramatic effects on breeding bird populations (Sedgwick and Ryder 1987). Habitat may also be degraded by poorly planned woodland thin ...
Oral Presentation Abstracts
... Island. These data were combined with 65 detector-nights at 6 sites from 2015. Preliminary analyses found that the amount of surrounding development had a strong negative correlation with occupancy probabilities of M. septentrionalis. The species was more likely to be found in areas that were surrou ...
... Island. These data were combined with 65 detector-nights at 6 sites from 2015. Preliminary analyses found that the amount of surrounding development had a strong negative correlation with occupancy probabilities of M. septentrionalis. The species was more likely to be found in areas that were surrou ...
Cloning and characterization of CmGPD1, the Candida magnoliae
... Expression of recombinant CmGPD1 in E. coli For expression of the CmGPD1 gene in E. coli, a primer pair, N- and C-termini-specific GPD5 (5 0 -GGACTAGTATGAGT TACGCTAAGAAGTTCAAG-3 0 , SpeI site is underlined) and GPD6 (5 0 -CCCAAGCTTCTATTTACAAGCTATCCTCGA GC-3 0 , HindIII site is underlined) was design ...
... Expression of recombinant CmGPD1 in E. coli For expression of the CmGPD1 gene in E. coli, a primer pair, N- and C-termini-specific GPD5 (5 0 -GGACTAGTATGAGT TACGCTAAGAAGTTCAAG-3 0 , SpeI site is underlined) and GPD6 (5 0 -CCCAAGCTTCTATTTACAAGCTATCCTCGA GC-3 0 , HindIII site is underlined) was design ...
Evolutionary Arguments on Aging, Disease, and Other Topics
... attention to on purpose. One could, indeed, argue that to predict this or that step of the evolution of a species is as an attempt to predict the future. Natural selection, it could be said, acts on mutations, which are events outside our abilities of prediction. This is true if such events are asse ...
... attention to on purpose. One could, indeed, argue that to predict this or that step of the evolution of a species is as an attempt to predict the future. Natural selection, it could be said, acts on mutations, which are events outside our abilities of prediction. This is true if such events are asse ...
Properties and sequence of the coenzyme B12
... was ampli¢ed by PCR and cloned into pBluescript SK+ in the same orientation as the T7 promoter. The resulting recombinant plasmid designated pLM3 was used to transform E. coli K38/pGP1-2, which contains on the plasmid pGP1-2 bacteriophage T7 RNA polymerase under control of the VpL promoter and the t ...
... was ampli¢ed by PCR and cloned into pBluescript SK+ in the same orientation as the T7 promoter. The resulting recombinant plasmid designated pLM3 was used to transform E. coli K38/pGP1-2, which contains on the plasmid pGP1-2 bacteriophage T7 RNA polymerase under control of the VpL promoter and the t ...
Free full text pdf - Australasian journal of ecotoxicology
... treatment of percentiles). If we know the distribution of the error, it is possible to calculate a certain percentile, such as the 95th percentile with a known level of certainty, ie. we can be sure that the percentile is within a certain band. For example, we can be 50% certain the true 95 th perce ...
... treatment of percentiles). If we know the distribution of the error, it is possible to calculate a certain percentile, such as the 95th percentile with a known level of certainty, ie. we can be sure that the percentile is within a certain band. For example, we can be 50% certain the true 95 th perce ...
Ecosystem Evolution and Conservation
... should conservation efforts aim to preserve species or ecosystems? The traditional approach has, by necessity, focused on particular species threatened by extinction. With the increasing attention on preserving biodiversity at large, for which the species-by-species approach falls short, a trend is ...
... should conservation efforts aim to preserve species or ecosystems? The traditional approach has, by necessity, focused on particular species threatened by extinction. With the increasing attention on preserving biodiversity at large, for which the species-by-species approach falls short, a trend is ...
the role of competition in structuring ant communities: a review
... intriguing when we consider that the classical ecological theory suggests that such situations would lead to a high frequency of competitive exclusion. The essence of interspecific competition is that individuals of one species have lower survival and reproduction rates when they share the same reso ...
... intriguing when we consider that the classical ecological theory suggests that such situations would lead to a high frequency of competitive exclusion. The essence of interspecific competition is that individuals of one species have lower survival and reproduction rates when they share the same reso ...
... where the light levels are too low for photosynthesis. Since only a small amount of primary production occurs below the photic zone in oceans (by chemoautotrophs), sediment ecosystems are fundamentally dependent on imported energy in the form of organic matter to maintain their structure. Mostly, or ...
Population Dynamics of Pathogens with Multiple Host Species
... size. This approach is particularly helpful for estimating rates of pathogen transmission; because nearly all other parameters of simple SIR pathogens are functions of host body size, transmission rate can usually be estimated at the threshold value that just allows the pathogen to establish (R 0 p ...
... size. This approach is particularly helpful for estimating rates of pathogen transmission; because nearly all other parameters of simple SIR pathogens are functions of host body size, transmission rate can usually be estimated at the threshold value that just allows the pathogen to establish (R 0 p ...
Effects of cattle grazing on small mammal communities in the
... Small mammals play important roles in many ecosystems, and understanding their response to disturbances such as cattle grazing is fundamental for developing sustainable land use strategies. However, how small mammals respond to cattle grazing remains controversial. A potential cause is that most of ...
... Small mammals play important roles in many ecosystems, and understanding their response to disturbances such as cattle grazing is fundamental for developing sustainable land use strategies. However, how small mammals respond to cattle grazing remains controversial. A potential cause is that most of ...
Reports
... vegetation in the field. The mesocosms were arranged in seven replicate blocks with five treatments (different combinations of the predator species) randomly assigned to mesocosms within each block. The first year of the study (2005) was devoted to assigning plots for mesocosm placement and measurin ...
... vegetation in the field. The mesocosms were arranged in seven replicate blocks with five treatments (different combinations of the predator species) randomly assigned to mesocosms within each block. The first year of the study (2005) was devoted to assigning plots for mesocosm placement and measurin ...
Breeding and Non-breeding Survival of Lesser Prairie
... 3. Have some idea of the likely effects of alternative management actions 4. Measure the outcome of actions in relation to management objectives ...
... 3. Have some idea of the likely effects of alternative management actions 4. Measure the outcome of actions in relation to management objectives ...
The Ecological Role of the Mammalian Mesocarnivore
... impact on their prey that is greater than the sum of their individual predatory effects. Or in a divergent pattern, predators may interfere with one another, such as when one predator becomes the prey of another (intraguild predation), resulting in less cumulative predatory impact as predator divers ...
... impact on their prey that is greater than the sum of their individual predatory effects. Or in a divergent pattern, predators may interfere with one another, such as when one predator becomes the prey of another (intraguild predation), resulting in less cumulative predatory impact as predator divers ...
Putting Eggs in One Basket: Ecological and Evolutionary
... Because the six hypotheses for oviposition-site choice presented here differ in their relevance across oviparous taxa, one cannot simply generalize the importance of any particular hypothesis from one group to others; instead, the various hypotheses must be tested for the species of interest to ensu ...
... Because the six hypotheses for oviposition-site choice presented here differ in their relevance across oviparous taxa, one cannot simply generalize the importance of any particular hypothesis from one group to others; instead, the various hypotheses must be tested for the species of interest to ensu ...
Facilitative or competitive effects of woody plants on understorey
... To identify studies reporting effects of woody species on understorey productivity, we searched the ISI Web of Knowledge data base (1945– 2012) using a combination of the keywords: ‘tree’, ‘woody’, ‘shrub’, ‘bush’, ‘encroachment’, ‘thickening’, ‘biomass’, ‘productivity’ and ‘dry matter’. We also con ...
... To identify studies reporting effects of woody species on understorey productivity, we searched the ISI Web of Knowledge data base (1945– 2012) using a combination of the keywords: ‘tree’, ‘woody’, ‘shrub’, ‘bush’, ‘encroachment’, ‘thickening’, ‘biomass’, ‘productivity’ and ‘dry matter’. We also con ...
The Ecological Role of the Mammalian Mesocarnivore
... impact on their prey that is greater than the sum of their individual predatory effects. Or in a divergent pattern, predators may interfere with one another, such as when one predator becomes the prey of another (intraguild predation), resulting in less cumulative predatory impact as predator divers ...
... impact on their prey that is greater than the sum of their individual predatory effects. Or in a divergent pattern, predators may interfere with one another, such as when one predator becomes the prey of another (intraguild predation), resulting in less cumulative predatory impact as predator divers ...
