Singlespecies metapopulation dynamics
... dispersal to a nearby patch is more likely than dispersal to a far-away patch (‘stepping-stone’ dispersal), and because extinctions due to some common environmental cause may be spatially correlated. Possible correlation due to dispersal does not seem to be always critical, however, as several studi ...
... dispersal to a nearby patch is more likely than dispersal to a far-away patch (‘stepping-stone’ dispersal), and because extinctions due to some common environmental cause may be spatially correlated. Possible correlation due to dispersal does not seem to be always critical, however, as several studi ...
Food Web Complexity and Species Diversity
... the diversity increases abruptly and the macrofauna includes immature individuals of the above, B. glandula a s scattered clumps, a few anemones of one s p e c i e s , two chiton species (browsers), two abundant limpets (browsers), four macroscopic benthic algae (Porphyra-an epiphyte, Endocladia, Rh ...
... the diversity increases abruptly and the macrofauna includes immature individuals of the above, B. glandula a s scattered clumps, a few anemones of one s p e c i e s , two chiton species (browsers), two abundant limpets (browsers), four macroscopic benthic algae (Porphyra-an epiphyte, Endocladia, Rh ...
FAFLP: last word in microbial genotyping?
... shared between specialist groups, especially if use were made of close interval ¯uorescent size markers as controls and if panels of strains representing the range of strain variation within each species were made available to all collaborators. Although high resolution between similar microbial iso ...
... shared between specialist groups, especially if use were made of close interval ¯uorescent size markers as controls and if panels of strains representing the range of strain variation within each species were made available to all collaborators. Although high resolution between similar microbial iso ...
The problem of pattern and scale in ecology: what have we learned
... up from two species to the community level, which involves understanding how evolution shapes interacting networks (Melian et al. 2011), a theme that I will return to below. Another question is whether such patterns of eco-evolutionary dynamics will persist across spatial scales. In normal situatio ...
... up from two species to the community level, which involves understanding how evolution shapes interacting networks (Melian et al. 2011), a theme that I will return to below. Another question is whether such patterns of eco-evolutionary dynamics will persist across spatial scales. In normal situatio ...
utilization of stomach content DNA to determine diet
... ryTI 9.0: Those sequences that had >95Va similarity were considered a successfirl match. Successful identification of prey items in laboratory Lxperiments (i.e. time and temperaturej using the molecular genetic approach was given a value of 1.0 ancl lailed idenrifiiations a value of 0'0 for quantifi ...
... ryTI 9.0: Those sequences that had >95Va similarity were considered a successfirl match. Successful identification of prey items in laboratory Lxperiments (i.e. time and temperaturej using the molecular genetic approach was given a value of 1.0 ancl lailed idenrifiiations a value of 0'0 for quantifi ...
Rotho pascuorum paper
... P0.001), thus falsely rejected sister pairs are unlikely to have had any significant ...
... P0.001), thus falsely rejected sister pairs are unlikely to have had any significant ...
Name - MIT OpenCourseWare
... e) Coyotes are becoming a nuisance for homeowners concerned about their cats. As a result, the homeowners start poisoning coyotes, leading to a significant decline in the coyote population. Make a prediction about what will happen to the population of each species, or state if you cannot predict. Ex ...
... e) Coyotes are becoming a nuisance for homeowners concerned about their cats. As a result, the homeowners start poisoning coyotes, leading to a significant decline in the coyote population. Make a prediction about what will happen to the population of each species, or state if you cannot predict. Ex ...
13.1 Ecologists Study Relationships
... • A keystone species is a species that has an unusually large effect on its ecosystem. (pg. 404) • Example: beaver – Beavers use trees to construct dams, which create ponds, wetlands and meadows – This increases numbers and types of fish – Insects attracted to the dead trees which then attracts inse ...
... • A keystone species is a species that has an unusually large effect on its ecosystem. (pg. 404) • Example: beaver – Beavers use trees to construct dams, which create ponds, wetlands and meadows – This increases numbers and types of fish – Insects attracted to the dead trees which then attracts inse ...
Indicator Fact Sheet - European Environment Agency
... Capture fisheries tend to target the more valuable larger fish that are at higher trophic levels such as piscivores (fish which feed on other fish). However, as overfishing reduces the populations of these fish, the landings of fish lower down the food web such as zooplanktivores (fish which feed on ...
... Capture fisheries tend to target the more valuable larger fish that are at higher trophic levels such as piscivores (fish which feed on other fish). However, as overfishing reduces the populations of these fish, the landings of fish lower down the food web such as zooplanktivores (fish which feed on ...
Conservation status of Yellow-spotted Bell Frog in New South Wales
... 1975 (White & Ehmann 1997a), and in the southern tablelands range no records exist since 1980 (Osborne et al. 1996; Mahony 1999). Given that there are no records of the species since 1980, the total population is likely to include fewer than 50 mature individuals, and may already be extinct. However ...
... 1975 (White & Ehmann 1997a), and in the southern tablelands range no records exist since 1980 (Osborne et al. 1996; Mahony 1999). Given that there are no records of the species since 1980, the total population is likely to include fewer than 50 mature individuals, and may already be extinct. However ...
Adobe PDF - VCU Secrets of the Sequence
... Ask: “Can you think of any examples of biological mutations that allow certain members of a species to survive in their environments.” Response: polar bears (hair color and temperature tolerance), or Sherpas of Tibet who are able to live at very high altitudes. 3) Resume the video. 4) Pause the vide ...
... Ask: “Can you think of any examples of biological mutations that allow certain members of a species to survive in their environments.” Response: polar bears (hair color and temperature tolerance), or Sherpas of Tibet who are able to live at very high altitudes. 3) Resume the video. 4) Pause the vide ...
MS Word - VCU Secrets of the Sequence
... Ask: “Can you think of any examples of biological mutations that allow certain members of a species to survive in their environments.” Response: polar bears (hair color and temperature tolerance), or Sherpas of Tibet who are able to live at very high altitudes. 3) Resume the video. 4) Pause the vide ...
... Ask: “Can you think of any examples of biological mutations that allow certain members of a species to survive in their environments.” Response: polar bears (hair color and temperature tolerance), or Sherpas of Tibet who are able to live at very high altitudes. 3) Resume the video. 4) Pause the vide ...
Natural Selection
... survive in an environment, the appearance of any variation would be random or simply due to chance. The number of individuals with each variation would remain about the same, since the frequency of each would be due to chance. (A figure would be nice…) A variation of a characteristic may increase or ...
... survive in an environment, the appearance of any variation would be random or simply due to chance. The number of individuals with each variation would remain about the same, since the frequency of each would be due to chance. (A figure would be nice…) A variation of a characteristic may increase or ...
Improving EIA for roads at the landscape
... Even though landscape-scale effects are known to be highly important for wildlife populations, they have not yet been studied very well in road ecology (van der Ree et al. 2011) and are usually not covered in EIAs. For example, long-distance dispersal of animals is rare, but is ecologically importan ...
... Even though landscape-scale effects are known to be highly important for wildlife populations, they have not yet been studied very well in road ecology (van der Ree et al. 2011) and are usually not covered in EIAs. For example, long-distance dispersal of animals is rare, but is ecologically importan ...
Water for Everyone - Wisconsin`s Citizen
... abundance of aquatic insects could increase in samples starting with sand and then continuing to gravel, and pebbles and cobble. 2) Why might species diversity be lower in samples of detritus compared to intact leaves? ...
... abundance of aquatic insects could increase in samples starting with sand and then continuing to gravel, and pebbles and cobble. 2) Why might species diversity be lower in samples of detritus compared to intact leaves? ...
AISPresentation
... Asian carp refers to the bighead, silver, grass, and black carp. Silver and bighead carp are filterfeeding fish and consume plant and animal plankton. Asian carp can grow to large sizes: some as large as 110 pounds, though the average size is around 30-40 pounds. Bighead and silver carp are voraciou ...
... Asian carp refers to the bighead, silver, grass, and black carp. Silver and bighead carp are filterfeeding fish and consume plant and animal plankton. Asian carp can grow to large sizes: some as large as 110 pounds, though the average size is around 30-40 pounds. Bighead and silver carp are voraciou ...
From Numerous to Non-existent: Common, Rare, Threatened
... The clouded leopard (Neofelis nebulosa) is found from the Himalayan foothills in Nepal through mainland Southeast Asia into China. The species once had a wide distribution in China, but the animals are disappearing from many areas as the result of habitat loss and illegal hunting. These reclusive an ...
... The clouded leopard (Neofelis nebulosa) is found from the Himalayan foothills in Nepal through mainland Southeast Asia into China. The species once had a wide distribution in China, but the animals are disappearing from many areas as the result of habitat loss and illegal hunting. These reclusive an ...
United States` CoP16 Proposals - Organization of American States
... • Turtle life history traits leads to a high probability that at some time during their long lifespan, some hatchlings will survive to maturity. • Keys to the success of this reproductive strategy include adults attaining sexual maturity and a large number of eggs being produced. • Removal of adults ...
... • Turtle life history traits leads to a high probability that at some time during their long lifespan, some hatchlings will survive to maturity. • Keys to the success of this reproductive strategy include adults attaining sexual maturity and a large number of eggs being produced. • Removal of adults ...
Neutral Macroecology - McGill Biology
... with one another for resources. Competition among species is the ecological equivalent of selection among genotypes, and is expected to have the same outcome—at equilibrium, the single best-adapted species will have replaced all others. This may not happen, however, if species are divergently adapte ...
... with one another for resources. Competition among species is the ecological equivalent of selection among genotypes, and is expected to have the same outcome—at equilibrium, the single best-adapted species will have replaced all others. This may not happen, however, if species are divergently adapte ...
only means for most plants to colonize new habitats or escape
... and morphological mechanisms at the fruit – frugivore interface. These included odour and volatile emissions, fruit pulp nutrients, plant secondary metabolites and traits that mediate seed dispersal by invertebrates. Some of these fruit characteristics (e.g. odour) are rarely considered in frugivory ...
... and morphological mechanisms at the fruit – frugivore interface. These included odour and volatile emissions, fruit pulp nutrients, plant secondary metabolites and traits that mediate seed dispersal by invertebrates. Some of these fruit characteristics (e.g. odour) are rarely considered in frugivory ...