Research in Microbiology
... phosphorelay system, which is highly conserved in sporeforming Bacillus species (Stephenson and Hoch, 2002). In the system, histidine kinase phosphorylates Spo0F, and the phosphate group from the Spo0F is transferred to Spo0A by Spo0B. Spo0F and Spo0A are very highly conserved in the amino acid sequ ...
... phosphorelay system, which is highly conserved in sporeforming Bacillus species (Stephenson and Hoch, 2002). In the system, histidine kinase phosphorylates Spo0F, and the phosphate group from the Spo0F is transferred to Spo0A by Spo0B. Spo0F and Spo0A are very highly conserved in the amino acid sequ ...
Conservation issues for Darwin`s finches in the Galápagos
... Size assortative pairing.......................................................................................... 137! DNA extraction and PCR amplification .................................................................. 138! Microsatellite analysis ............................................... ...
... Size assortative pairing.......................................................................................... 137! DNA extraction and PCR amplification .................................................................. 138! Microsatellite analysis ............................................... ...
Burrowing Owl (Athene cunicularia)
... disperse to individual burrows before migrating southward in September and October. Population sizes and trends In Canada, the current (2004) minimum (known) population size is 795 individuals: 498 in Saskatchewan, 288 in Alberta, and 9 in British Columbia; this may underestimate the actual populati ...
... disperse to individual burrows before migrating southward in September and October. Population sizes and trends In Canada, the current (2004) minimum (known) population size is 795 individuals: 498 in Saskatchewan, 288 in Alberta, and 9 in British Columbia; this may underestimate the actual populati ...
Factors affecting hare–lynx dynamics in the classic time series of the
... price of hares or lynx may be unstable due to fluctuations in market demand, and there may also be fur imports from other regions, which will then affect data quality. Finerty (1979) pointed out that hare and lynx data presented by MacLulich are in fact from different regions of Canada. Thus, care s ...
... price of hares or lynx may be unstable due to fluctuations in market demand, and there may also be fur imports from other regions, which will then affect data quality. Finerty (1979) pointed out that hare and lynx data presented by MacLulich are in fact from different regions of Canada. Thus, care s ...
Human-Wildlife Conflict Across Urbanization Gradients
... Table 3.3: The average of landscape variables measurements for each residential area development level. The average for the dependent variable for each development level is given in the last row...........................53 Table 3.4: Correlations between all landscape variables and conflict density ...
... Table 3.3: The average of landscape variables measurements for each residential area development level. The average for the dependent variable for each development level is given in the last row...........................53 Table 3.4: Correlations between all landscape variables and conflict density ...
natural Systems - International Wolf Center
... within the boundaries of their territory, a large enough population of prey animals needs to exist within that territory to sustain the pack over time. The territory can be likened to a refrigerator: it holds the food for the family. Larger packs of wolves often need to have larger territories than ...
... within the boundaries of their territory, a large enough population of prey animals needs to exist within that territory to sustain the pack over time. The territory can be likened to a refrigerator: it holds the food for the family. Larger packs of wolves often need to have larger territories than ...
Moths and Mountains: Diversity, Altitude and Latitude
... forest ecosystems. This thesis aims to expand and test the generality of results obtained as part of the IBISCA-Queensland Project (Investigating Biodiversity of Soil and Canopy Arthropods-Qld) which examined patterns of diversity in a large sub-set of night-flying moths along an altitudinal gradien ...
... forest ecosystems. This thesis aims to expand and test the generality of results obtained as part of the IBISCA-Queensland Project (Investigating Biodiversity of Soil and Canopy Arthropods-Qld) which examined patterns of diversity in a large sub-set of night-flying moths along an altitudinal gradien ...
Abundance matters: a Weld experiment testing the more individuals
... REG; SAS Institute 1990) to determine whether a power, logarithmic, or linear function best Wt the relationship between richness, total abundance, or abundance per species (dependent) and productivity (independent) for each month. The best model was determined based on the highest R2, as all models ...
... REG; SAS Institute 1990) to determine whether a power, logarithmic, or linear function best Wt the relationship between richness, total abundance, or abundance per species (dependent) and productivity (independent) for each month. The best model was determined based on the highest R2, as all models ...
Litter feedbacks, evolutionary change and exotic plant invasion Maarten B. Eppinga
... It has been argued that concepts from community ecology can also be used to study the establishment of exotic plants into new communities (Huston 1994; Eppstein & Molofsky 2007). The initial phase of invader establishment may be influenced by stochastic processes and propagule pressure (Tilman 2004; ...
... It has been argued that concepts from community ecology can also be used to study the establishment of exotic plants into new communities (Huston 1994; Eppstein & Molofsky 2007). The initial phase of invader establishment may be influenced by stochastic processes and propagule pressure (Tilman 2004; ...
Alberta Ords Kangaroo Rat Recovery Plan 2013 -2018
... litters a year (Gummer 1997a). Their gestation period is approximately 29 days (Jones 1993; Gummer 1997a). Young kangaroo rats remain in their mother’s burrow for about 35 days (Gummer 1997a). While juveniles may disperse long distances, most tend to remain on or near their natal home (Jones 1993; G ...
... litters a year (Gummer 1997a). Their gestation period is approximately 29 days (Jones 1993; Gummer 1997a). Young kangaroo rats remain in their mother’s burrow for about 35 days (Gummer 1997a). While juveniles may disperse long distances, most tend to remain on or near their natal home (Jones 1993; G ...
Recovery, Conservation, and Survival under the Endangered
... in the status of listed species to the point at which listing is no longer appropriate under the criteria set out in section 4(a)(1) of the Act."" This ...
... in the status of listed species to the point at which listing is no longer appropriate under the criteria set out in section 4(a)(1) of the Act."" This ...
Direct and indirect consequences of dominant plants in arid
... conditions that lead to consistent differences in seeds traits of understory plants. Overall, we found that multiple factors determine the outcome of plant-plant interactions along the field sites studied in this project. These factors impact both the direct and indirect effects of dominant woody pl ...
... conditions that lead to consistent differences in seeds traits of understory plants. Overall, we found that multiple factors determine the outcome of plant-plant interactions along the field sites studied in this project. These factors impact both the direct and indirect effects of dominant woody pl ...
Evaluation of NFWF`s Pacific Seabird Program
... setbacks!or!delays.!Given!the!midMcourse!timing!of!this!evaluation!along!with!the!long! time!horizon!associated!with!many!of!the!conservation!goals!and!outcomes,!most! anticipated!impacts!on!focal!and!other!species!have!yet!to!be!realized.!Project! accomplishments!achieved!up!to!the!point!of!this!ev ...
... setbacks!or!delays.!Given!the!midMcourse!timing!of!this!evaluation!along!with!the!long! time!horizon!associated!with!many!of!the!conservation!goals!and!outcomes,!most! anticipated!impacts!on!focal!and!other!species!have!yet!to!be!realized.!Project! accomplishments!achieved!up!to!the!point!of!this!ev ...
Mpala Memos January 2014
... Where the big-headed ant had invaded, one in five whistling thorn trees had been completely destroyed by elephants. Where there were no big-headed ants, only one in twenty trees had been pushed over by elephants. What does this mean? In a nutshell, it means that if the big-headed ant invasion spread ...
... Where the big-headed ant had invaded, one in five whistling thorn trees had been completely destroyed by elephants. Where there were no big-headed ants, only one in twenty trees had been pushed over by elephants. What does this mean? In a nutshell, it means that if the big-headed ant invasion spread ...
Potential Impacts of a Western Pacific Grapsid Crab on Intertidal
... grapsid crab, Hemigrapsus sanguineus, that was recently introduced to the mid-Atlantic coast of North America. Seasonal abundance on a boulder/cobble shore (Crane Neck Pt.) in central Long Island Sound, New York, USA, during 1997–1998, ranged from 7 to 10 crabs m−2 averaged over the entire intertida ...
... grapsid crab, Hemigrapsus sanguineus, that was recently introduced to the mid-Atlantic coast of North America. Seasonal abundance on a boulder/cobble shore (Crane Neck Pt.) in central Long Island Sound, New York, USA, during 1997–1998, ranged from 7 to 10 crabs m−2 averaged over the entire intertida ...
Eastern Wolf (Canis lupus lycaon) - Registre public des espèces en
... be maintained, at a minimum, at the current level, which is estimated at approximately 2.1 individuals per 100 km2, and the presence of the species at other sites within the Canadian area of occupancy will have to be preserved. Connectivity between the occupied sites and other regions where suitable ...
... be maintained, at a minimum, at the current level, which is estimated at approximately 2.1 individuals per 100 km2, and the presence of the species at other sites within the Canadian area of occupancy will have to be preserved. Connectivity between the occupied sites and other regions where suitable ...
predator accelerated replacement
... less numerous than other types of invasions, such as those where the exotic invades an empty niche (e.g. Forys and Allen 1999), or where the habitat is so disrupted that resistance to invasion may be compromised (Case 1990). However, the defining criteria of the PAR hypothesis are few and uncomplica ...
... less numerous than other types of invasions, such as those where the exotic invades an empty niche (e.g. Forys and Allen 1999), or where the habitat is so disrupted that resistance to invasion may be compromised (Case 1990). However, the defining criteria of the PAR hypothesis are few and uncomplica ...
Assessment of Canada Lynx Research and
... as evidence that interference competition is more important in the southern lynx range. Interference competition also may be manifest through spatial exclusion, and lynx in Nova Scotia, Canada, apparently were displaced by an expanding bobcat population (Parker et al. 1983). Along the same line, Bus ...
... as evidence that interference competition is more important in the southern lynx range. Interference competition also may be manifest through spatial exclusion, and lynx in Nova Scotia, Canada, apparently were displaced by an expanding bobcat population (Parker et al. 1983). Along the same line, Bus ...
Ecological flexibility in a disturbed landscape
... stress and endoparasitism, through the collection of fecal samples from focal individuals. I compared these variables between and within populations to examine the potential impacts of habitat fragmentation on an ecologically adaptable primate. L. catta at Anja depended on smaller home range areas a ...
... stress and endoparasitism, through the collection of fecal samples from focal individuals. I compared these variables between and within populations to examine the potential impacts of habitat fragmentation on an ecologically adaptable primate. L. catta at Anja depended on smaller home range areas a ...
Effect of Hunting and Trapping on Wildlife Damage
... Hunting and trapping are the most cost-effective methods available to society to manage some wildlife populations. If government had to pay employees to manage wildlife populations, the cost often would be prohibitive. In contrast, many people enjoy hunting and trapping and do not have to be paid to ...
... Hunting and trapping are the most cost-effective methods available to society to manage some wildlife populations. If government had to pay employees to manage wildlife populations, the cost often would be prohibitive. In contrast, many people enjoy hunting and trapping and do not have to be paid to ...
distribution and ecology of the broad
... high risk to decline and extinction through predation by introduced predators such as foxes and cats. The species has a patchy distribution across its range. While large habitat patches are likely to support larger populations, there is no evidence that patch size influences population persistence. ...
... high risk to decline and extinction through predation by introduced predators such as foxes and cats. The species has a patchy distribution across its range. While large habitat patches are likely to support larger populations, there is no evidence that patch size influences population persistence. ...
practice populations test (with answers)
... or unavailable, and prevents an organism from achieving this potential? 76. Distinguish between the terms "habitat" and "niche". 77. Explain the concept of "resource partitioning," and explain how it may increase the chance of species success. 78. Prey species often develop passive defense mechanism ...
... or unavailable, and prevents an organism from achieving this potential? 76. Distinguish between the terms "habitat" and "niche". 77. Explain the concept of "resource partitioning," and explain how it may increase the chance of species success. 78. Prey species often develop passive defense mechanism ...
Recovery Strategy for the Butler`s Gartersnake (Thamnophis butleri
... programs that provide for effective protection of species at risk throughout Canada. Under the Species at Risk Act (S.C. 2002, c.29) (SARA), the federal competent ministers are responsible for the preparation of recovery strategies for listed Extirpated, Endangered, and Threatened species and are re ...
... programs that provide for effective protection of species at risk throughout Canada. Under the Species at Risk Act (S.C. 2002, c.29) (SARA), the federal competent ministers are responsible for the preparation of recovery strategies for listed Extirpated, Endangered, and Threatened species and are re ...
Manipulative Field Experiments in Animal Ecology: Do They
... and 42 terrestrial studies. These experiments are an ‘unbiased’ selection, in that they represent all of such studies retrievable on the BIDS (Bath Information and Data Services) database. Although the selection process was unbiased, this approach inevitably leads to over-and under-representation of ...
... and 42 terrestrial studies. These experiments are an ‘unbiased’ selection, in that they represent all of such studies retrievable on the BIDS (Bath Information and Data Services) database. Although the selection process was unbiased, this approach inevitably leads to over-and under-representation of ...
Fine Tuning the Peppered Moth Paradigm
... Intermediates are also known; these range between the two extremes, and are collectively called insularia. The phenotypes result from multiple alleles at a single locus that approximate a dominance hierarchy with the carbonaria allele as top dominant and typical as recessive (Lees and Creed 1977). B ...
... Intermediates are also known; these range between the two extremes, and are collectively called insularia. The phenotypes result from multiple alleles at a single locus that approximate a dominance hierarchy with the carbonaria allele as top dominant and typical as recessive (Lees and Creed 1977). B ...