lots-of-enb-essays 235 kb lots-of-enb-essays
... (Sinervo, 2013)) or the more commonly argued position, that selection is a process which alters allele frequencies within a population (definitions such as: ‘the differential survival of alternative alleles’ (Foster, 2014)). Neither seems to explicitly exclude the other but they offer subtly differe ...
... (Sinervo, 2013)) or the more commonly argued position, that selection is a process which alters allele frequencies within a population (definitions such as: ‘the differential survival of alternative alleles’ (Foster, 2014)). Neither seems to explicitly exclude the other but they offer subtly differe ...
Debut of the Seventeen-Year-Old Cicada
... intercepting its falling first-instar offspring in trays placed under their nest trees. His findings showed that survival, estimated by reproductive output, increased more than proportionately with population density; that is, ...
... intercepting its falling first-instar offspring in trays placed under their nest trees. His findings showed that survival, estimated by reproductive output, increased more than proportionately with population density; that is, ...
Charles J. (Jay) Cole and Carol R. Townsend Herpetological
... seemed to be mostly unidirectional as few frogs were present after the monsoon. The work continues this summer. I observed many dead frogs this winter, presumably chytrid-killed, although all were in the upper canyon. We have installed i-buttons in several pools in the canyon to get a temperature pr ...
... seemed to be mostly unidirectional as few frogs were present after the monsoon. The work continues this summer. I observed many dead frogs this winter, presumably chytrid-killed, although all were in the upper canyon. We have installed i-buttons in several pools in the canyon to get a temperature pr ...
Species distribution models reveal apparent competitive and
... Norway, which includes landscapes with varying topography and strong climatic gradients. Within the whole region, the evergreen dwarf shrub Empetrum nigrum ssp. hermaphroditum (hereafter referred to as E. hermaphroditum) is the most abundant plant species (Bråthen et al. 2007a). Its dominance is re ...
... Norway, which includes landscapes with varying topography and strong climatic gradients. Within the whole region, the evergreen dwarf shrub Empetrum nigrum ssp. hermaphroditum (hereafter referred to as E. hermaphroditum) is the most abundant plant species (Bråthen et al. 2007a). Its dominance is re ...
Eusociality: Origin and consequences Edward O. Wilson* and Bert Ho¨lldobler
... elevated, say by lower individual dispersal rates, relatedness can bring alleles for presociality and eusociality together more quickly. If it brings such genes together more frequently due to shared microhabitat preference, mate choice, or other biological traits, it can have the same effect. Relat ...
... elevated, say by lower individual dispersal rates, relatedness can bring alleles for presociality and eusociality together more quickly. If it brings such genes together more frequently due to shared microhabitat preference, mate choice, or other biological traits, it can have the same effect. Relat ...
Geographic Variation in Camouflage Specialization by a Decorator
... (blotted wet mass) of all eight seaweed species (i.e., a choice assay). As a control for changes in seaweed mass unrelated to herbivory or camouflaging, identical bowls without crabs contained same-sized pieces of the same species of seaweed. Within each replicate, treatment and control pieces of al ...
... (blotted wet mass) of all eight seaweed species (i.e., a choice assay). As a control for changes in seaweed mass unrelated to herbivory or camouflaging, identical bowls without crabs contained same-sized pieces of the same species of seaweed. Within each replicate, treatment and control pieces of al ...
H. cydno - Proceedings of the Royal Society B
... progenitor population of a homoploid hybrid species needs to avoid being genetically swamped by backcrossing to one or the other of its parental species. Because of this problem, HHS is considered to be an unlikely mode of speciation [18,19], particularly if the hybrid species co-occurs in space, ti ...
... progenitor population of a homoploid hybrid species needs to avoid being genetically swamped by backcrossing to one or the other of its parental species. Because of this problem, HHS is considered to be an unlikely mode of speciation [18,19], particularly if the hybrid species co-occurs in space, ti ...
The geography of body size – challenges of the interspecific approach
... a large extent on the spatial and taxonomic scales of a particular study. However, species-poor cells can contain large animals, but are less modal than species-rich cells (e.g., Brown & Maurer, 1989; Brown & Nicoletto, 1991; Cardillo, 2002). Thus, species-poor cells will be characterized by larger ...
... a large extent on the spatial and taxonomic scales of a particular study. However, species-poor cells can contain large animals, but are less modal than species-rich cells (e.g., Brown & Maurer, 1989; Brown & Nicoletto, 1991; Cardillo, 2002). Thus, species-poor cells will be characterized by larger ...
Ecological Factors Affecting Community Invasibility
... What makes a community invasible? For over a century ecologists have sought to understand the relative importance of biotic and abiotic factors that determine community composition. The fact that we are still exploring this topic today hints at both its importance and complexity. As the impacts from ...
... What makes a community invasible? For over a century ecologists have sought to understand the relative importance of biotic and abiotic factors that determine community composition. The fact that we are still exploring this topic today hints at both its importance and complexity. As the impacts from ...
The effect of human disturbance on fungal diversity in the tropics
... The effects of pesticides on the fungal community have been studied in India (Chandrashekar and Kaveriappa, 1989, 1994). Pesticides may leach into the river system during heavy monsoon rains. The herbicides, paraquat and 2,4dichrophenoxybutyric acid, and the fungicides, mancozeb and captafol, did no ...
... The effects of pesticides on the fungal community have been studied in India (Chandrashekar and Kaveriappa, 1989, 1994). Pesticides may leach into the river system during heavy monsoon rains. The herbicides, paraquat and 2,4dichrophenoxybutyric acid, and the fungicides, mancozeb and captafol, did no ...
Scale, Environment, and Trophic Status: The Context Dependency
... estimated asymptote is infinite, or occurs at an unattainably high local richness, the community is not saturated. Because we are interested specifically in factors constraining the upper limits to local richness (rather than the mean local richness), we use nonlinear quantile regression (Scharf et ...
... estimated asymptote is infinite, or occurs at an unattainably high local richness, the community is not saturated. Because we are interested specifically in factors constraining the upper limits to local richness (rather than the mean local richness), we use nonlinear quantile regression (Scharf et ...
Molecular diversity and ecology of microbial plankton
... near the tips of branches and could be attributed to neutral mutations accumulating in clonal populations. Thompson et al. went a step further by examining sequence divergence and genome variability in a set of 232 Vibrio splendidus isolates taken from the same coastal location at different times35. ...
... near the tips of branches and could be attributed to neutral mutations accumulating in clonal populations. Thompson et al. went a step further by examining sequence divergence and genome variability in a set of 232 Vibrio splendidus isolates taken from the same coastal location at different times35. ...
Evolution and Ecology of Species Range Limits
... patches existing beyond the range border (Carter & Prince 1981, Holt & Keitt 2000). These unexpected patterns resulting from interactions between dispersal and environmental heterogeneity suggest that it may be challenging to identify underlying gradients contributing to range limits. ...
... patches existing beyond the range border (Carter & Prince 1981, Holt & Keitt 2000). These unexpected patterns resulting from interactions between dispersal and environmental heterogeneity suggest that it may be challenging to identify underlying gradients contributing to range limits. ...
ap biology summer assignment 2009-2010
... organization. Also, describe some models that are intermediate between those two extremes. 20. Describe how disturbances affect community structure and composition. Illustrate this point with several well-studied examples. 21. Give examples of humans as widespread agents of disturbance. 22. Describe ...
... organization. Also, describe some models that are intermediate between those two extremes. 20. Describe how disturbances affect community structure and composition. Illustrate this point with several well-studied examples. 21. Give examples of humans as widespread agents of disturbance. 22. Describe ...
Has The Human Species Become A Cancer On The Planet
... As we approach the end of the century, we can plainly see that the overwhelming problem facing all of human society is the sheer numbers of people on the planet and the fact that the most severe challenges we face can be traced to the increase in these numbers. The most stunning feature of the human ...
... As we approach the end of the century, we can plainly see that the overwhelming problem facing all of human society is the sheer numbers of people on the planet and the fact that the most severe challenges we face can be traced to the increase in these numbers. The most stunning feature of the human ...
1 fructose intolerance
... • While this test is relatively harmless and effective, the screen does not monitor >95% of HFI mutations (many are unkown and require further research ), and is not considered diagnostic. – in other words, a negative result does not necessarily mean someone does NOT suffer from HFI, – while this te ...
... • While this test is relatively harmless and effective, the screen does not monitor >95% of HFI mutations (many are unkown and require further research ), and is not considered diagnostic. – in other words, a negative result does not necessarily mean someone does NOT suffer from HFI, – while this te ...
Dissecting the evolutionary impacts of plant invasions: bugs and
... length are genetically based rather than developmentally induced by the juvenile or maternal environment (Carroll et al., 1997). We treat these genetic findings in greater detail in the next section. Loss of performance on the ancestral host is evolving at the same rate (Carroll et al., 2001, 2003a, ...
... length are genetically based rather than developmentally induced by the juvenile or maternal environment (Carroll et al., 1997). We treat these genetic findings in greater detail in the next section. Loss of performance on the ancestral host is evolving at the same rate (Carroll et al., 2001, 2003a, ...
Large mammal diversity and their conservation in the human
... the densities of these species and human impact. However, underlying mechanisms are not always clear and more research is needed (Chown et al. 2003; Luck 2007). Generally, large body sized species with extended home ranges, or those with limited dispersal ability, will be affected more negatively by ...
... the densities of these species and human impact. However, underlying mechanisms are not always clear and more research is needed (Chown et al. 2003; Luck 2007). Generally, large body sized species with extended home ranges, or those with limited dispersal ability, will be affected more negatively by ...
Species-species association strengths
... is maintained are the lottery model and the intermediate disturbance hypothesis. The lottery model accounts for diversity by assuming that openings are filled at random by recruits from a large pool of potential colonists (Morin 1999). The intermediate disturbance hypothesis suggests that the highes ...
... is maintained are the lottery model and the intermediate disturbance hypothesis. The lottery model accounts for diversity by assuming that openings are filled at random by recruits from a large pool of potential colonists (Morin 1999). The intermediate disturbance hypothesis suggests that the highes ...
Protocols for monitoring New Zealand robins (Petroica australis)
... taped song. It is important not to band an individual before it has been fed several times and approaches you to be fed. Robins soon get over the experience of capture and banding; a few will approach for food within a few minutes of being released, and most will do so when visited the next day. Be ...
... taped song. It is important not to band an individual before it has been fed several times and approaches you to be fed. Robins soon get over the experience of capture and banding; a few will approach for food within a few minutes of being released, and most will do so when visited the next day. Be ...
Kuchta et al., 2008
... in the iris; some individuals have orange upper eyelids as well (Fig. 1). Ensatina eschscholtzii xanthoptica also possesses orange proximal limb segments, which are brown in Taricha. The overall similarity between Taricha and E. e. xanthoptica led Stebbins (1949) to hypothesize a mimetic relationshi ...
... in the iris; some individuals have orange upper eyelids as well (Fig. 1). Ensatina eschscholtzii xanthoptica also possesses orange proximal limb segments, which are brown in Taricha. The overall similarity between Taricha and E. e. xanthoptica led Stebbins (1949) to hypothesize a mimetic relationshi ...
Submission - Friends of Felton
... Koala Conservation and Management Strategy 2009-2014 (Department of the Environment, Water, Heritage and the Arts 2009), states a need for: “Increased consideration of koala habitat demonstrated in development planning” throughout the species’ range. A deficiency in the Queensland Vegetation Managem ...
... Koala Conservation and Management Strategy 2009-2014 (Department of the Environment, Water, Heritage and the Arts 2009), states a need for: “Increased consideration of koala habitat demonstrated in development planning” throughout the species’ range. A deficiency in the Queensland Vegetation Managem ...