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... laboratory strain derived from a single animal isolated in Barcelona, Spain, only reproduce by asexual fission. Natural fission involves adhesion of the tail tip to the substrate and pulling away of the anterior end. The resulting build-up of tension eventually splits the animal in two and both halv ...
... laboratory strain derived from a single animal isolated in Barcelona, Spain, only reproduce by asexual fission. Natural fission involves adhesion of the tail tip to the substrate and pulling away of the anterior end. The resulting build-up of tension eventually splits the animal in two and both halv ...
Lonesome George: The legacy
... The impressive ability to survive for extensive periods without food and water made these first chelonian colonisers well adapted for this long journey to the geologically new volcanic islands, adaptations that any natural predators could not match. Over time, the swirling currents surrounding the A ...
... The impressive ability to survive for extensive periods without food and water made these first chelonian colonisers well adapted for this long journey to the geologically new volcanic islands, adaptations that any natural predators could not match. Over time, the swirling currents surrounding the A ...
University of Idaho - Idaho Rangeland Resource Commission
... creates areas of rangeland that are overgrazed. Range plants are designed to withstand some grazing. In fact, proper grazing can improve the health of many types of rangeland. However, if too much green material is removed from plants, they cannot recover from grazing and overgrazing occurs. Overgra ...
... creates areas of rangeland that are overgrazed. Range plants are designed to withstand some grazing. In fact, proper grazing can improve the health of many types of rangeland. However, if too much green material is removed from plants, they cannot recover from grazing and overgrazing occurs. Overgra ...
Deadwood Rangeland Health Assessment Determination - 7/08 150 KB
... Howard Prairie Reservoir flows into the Irongate Reservoir in northern California in the Klamath basin. Dead Indian is a tributary to South Fork Little Butte Creek, a tributary to Little Butte Creek, a tributary to the Rogue River. Stubble heights less then four inches were observed in the Deadwood ...
... Howard Prairie Reservoir flows into the Irongate Reservoir in northern California in the Klamath basin. Dead Indian is a tributary to South Fork Little Butte Creek, a tributary to Little Butte Creek, a tributary to the Rogue River. Stubble heights less then four inches were observed in the Deadwood ...
Effects of urbanization on Song Sparrow (Melospiza melodia
... did not influence connectivity, resistances of all land cover types would be essentially the same, genetic differentiation would be most related to geographic distance, and isolation by distance (Wright 1943; Rousset 1997) would be observed. Additionally, population differentiation increases with du ...
... did not influence connectivity, resistances of all land cover types would be essentially the same, genetic differentiation would be most related to geographic distance, and isolation by distance (Wright 1943; Rousset 1997) would be observed. Additionally, population differentiation increases with du ...
Handle with care
... Needs: grouping, diet, accommodation and environment Unless their enclosure is very large, these tortoises are best kept alone as they are naturally solitary and territorial in the wild. If kept in a group the animals should be monitored closely. Males can engage in shell butting and leg biting of f ...
... Needs: grouping, diet, accommodation and environment Unless their enclosure is very large, these tortoises are best kept alone as they are naturally solitary and territorial in the wild. If kept in a group the animals should be monitored closely. Males can engage in shell butting and leg biting of f ...
Bells, bomas and beefsteak: complex patterns of human
... We examined seasonal trends in attacks on livestock by testing for among-month differences in attack frequency between 2009 and 2013. We examined seasonality of attacks only for the most frequent predator species (lions and hyenas) and livestock species (cattle, donkeys and goats). Previous work has ...
... We examined seasonal trends in attacks on livestock by testing for among-month differences in attack frequency between 2009 and 2013. We examined seasonality of attacks only for the most frequent predator species (lions and hyenas) and livestock species (cattle, donkeys and goats). Previous work has ...
C. W. Cunningham 2001
... of genetic variation within and among sampling units based on the spatial (and sometimes temporal) distribution of gene and genotypic frequencies. However, it was not until the advent of allozyme electrophoresis in the 1960s that population geneticists could build an extensive multilocus database fr ...
... of genetic variation within and among sampling units based on the spatial (and sometimes temporal) distribution of gene and genotypic frequencies. However, it was not until the advent of allozyme electrophoresis in the 1960s that population geneticists could build an extensive multilocus database fr ...
Domestication and early agriculture in the Mediterranean Basin
... have happened through trade and technology transfer alone without any direct contact between indigenous hunter– gatherers and colonizing farming populations from the east (41–46). The shortcomings of these different single-agent models have become increasingly apparent as new archaeological data com ...
... have happened through trade and technology transfer alone without any direct contact between indigenous hunter– gatherers and colonizing farming populations from the east (41–46). The shortcomings of these different single-agent models have become increasingly apparent as new archaeological data com ...
Patterns of Genetic Differentiation in Appalachian Desmognathine
... progressively higher levels of Isolation by distance. Genetic distances among local populations of the more southern forms (D. orestes, D. carolinensls, and D. ocoee) Increase with geographic distances among populations separated by less than 100 km, but level off at greater geographic distances. Ge ...
... progressively higher levels of Isolation by distance. Genetic distances among local populations of the more southern forms (D. orestes, D. carolinensls, and D. ocoee) Increase with geographic distances among populations separated by less than 100 km, but level off at greater geographic distances. Ge ...
A framework for community and ecosystem
... Selection that occurs when relative fitness depends on the properties of individuals, as well as on the properties of the group(s) to which individuals belong. ...
... Selection that occurs when relative fitness depends on the properties of individuals, as well as on the properties of the group(s) to which individuals belong. ...
- Cheetah Conservation Fund
... farmers thought cheetahs hunt their livestock, but in fact, healthy cheetahs prefer wild game and are often being blamed for other predators’ actions. I also found that most of the losses were because livestock farmers were not managing their vulnerable livestock, like small calves or goats and shee ...
... farmers thought cheetahs hunt their livestock, but in fact, healthy cheetahs prefer wild game and are often being blamed for other predators’ actions. I also found that most of the losses were because livestock farmers were not managing their vulnerable livestock, like small calves or goats and shee ...
Lizard population dynamics in a controlled landscape of Florida Scrub
... We will use standardized search-capture-mark-release-recapture methods (Anderson and Tiebout 1993). Some of the more important ecological parameters of the lizard populations that will be compared among sites are: population density, size (age) and sex structure in the population, condition index (m ...
... We will use standardized search-capture-mark-release-recapture methods (Anderson and Tiebout 1993). Some of the more important ecological parameters of the lizard populations that will be compared among sites are: population density, size (age) and sex structure in the population, condition index (m ...
Behavioural aspects of conservation breeding Gallus gallus Jennie Håkansson
... the outcome of a reintroduction is essential in order to improve conservation breeding as an effective conservation tool (Curio 1996, Wolf et al. 1998, Fischer and Lindermayer 2000). Genetic diversity vs. genetic adaptation There are basically two types of harmful genetic changes which can occur dur ...
... the outcome of a reintroduction is essential in order to improve conservation breeding as an effective conservation tool (Curio 1996, Wolf et al. 1998, Fischer and Lindermayer 2000). Genetic diversity vs. genetic adaptation There are basically two types of harmful genetic changes which can occur dur ...
Behavioral repertoire of the giant freshwater prawn Macrobrachium
... Farfantepenaeus subtilis and M. rosenbergii in laboratory conditions. However, several types of information are required that focus on the behavioral motor patterns of the fresh water shrimp. Current paper aims at complementing the literature and elaborates an ethogram to characterize and describe t ...
... Farfantepenaeus subtilis and M. rosenbergii in laboratory conditions. However, several types of information are required that focus on the behavioral motor patterns of the fresh water shrimp. Current paper aims at complementing the literature and elaborates an ethogram to characterize and describe t ...
Co-existence of wildlife and pastoralism on extensive rangelands
... The most enduring public images of extensive rangelands are of pasture land overgrazed by livestock, and therefore in environmental crisis, and threatening wildlife and biodiversity. In Africa and Asia, the popular narrative has been of expanding deserts, grazed by greedy herders with too many lives ...
... The most enduring public images of extensive rangelands are of pasture land overgrazed by livestock, and therefore in environmental crisis, and threatening wildlife and biodiversity. In Africa and Asia, the popular narrative has been of expanding deserts, grazed by greedy herders with too many lives ...
ANIMAL BEHAVIOUR (ABG 503) LECTURE NOTES Introduction
... It is likely that both internal and external factors often have an effect at once (they interact). For example, chickens will normally forage throughout the day. However, when a hen is brooding eggs, she will be much less likely to feed, even if food is available in the environment. Thus, there is a ...
... It is likely that both internal and external factors often have an effect at once (they interact). For example, chickens will normally forage throughout the day. However, when a hen is brooding eggs, she will be much less likely to feed, even if food is available in the environment. Thus, there is a ...
Phylum Porifera (Sponges )
... 1 small family of freshwater sponges spicules of silica (but not 6-rayed), spongin fibers, or both some tall and fingerlike, some encrusting includes 1 group of “boring sponges”; burrow into shells and ...
... 1 small family of freshwater sponges spicules of silica (but not 6-rayed), spongin fibers, or both some tall and fingerlike, some encrusting includes 1 group of “boring sponges”; burrow into shells and ...
Guidelines for the treatment of animals in behavioural research and... Guidelines for the Use of Animals
... legislation regulating scientific research on animals. This does not mean that they are all unable to experience pain, discomfort or stress, but knowledge is more limited than for vertebrate groups (Sherwin 2001; Gherardi 2009). Manuscripts involving research with invertebrates may still be reviewed ...
... legislation regulating scientific research on animals. This does not mean that they are all unable to experience pain, discomfort or stress, but knowledge is more limited than for vertebrate groups (Sherwin 2001; Gherardi 2009). Manuscripts involving research with invertebrates may still be reviewed ...
Biodiversity Climate Change impacts report card technical paper 15
... genetic perspective, where each population has access to the standing genetic variation and the new variants generated by mutation in all the populations in the network. Thus, even in small populations, where genetic diversity is typically low, gene flow can replenish lost diversity and provide acce ...
... genetic perspective, where each population has access to the standing genetic variation and the new variants generated by mutation in all the populations in the network. Thus, even in small populations, where genetic diversity is typically low, gene flow can replenish lost diversity and provide acce ...
Model Code of Practice for the Humane Control of Foxes
... initiation of the killing procedure and the procedure itself results in insensibility to pain and distress within a few seconds. When carried out properly, the welfare is either not poor at any time or is poor for those few seconds only (Broom, 1999). Best Practice Management – a structured and cons ...
... initiation of the killing procedure and the procedure itself results in insensibility to pain and distress within a few seconds. When carried out properly, the welfare is either not poor at any time or is poor for those few seconds only (Broom, 1999). Best Practice Management – a structured and cons ...
Genetic Conservation of the Grey Wolf
... between the Russian and Finnish populations was due to the construction of roads and barriers remaining from the Iron Curtain. By reducing migration we are creating the potential for genetic structuring where none would have naturally occurred. This can also increase the inbreeding within the isola ...
... between the Russian and Finnish populations was due to the construction of roads and barriers remaining from the Iron Curtain. By reducing migration we are creating the potential for genetic structuring where none would have naturally occurred. This can also increase the inbreeding within the isola ...
Ethics and invertebrates: a cephalopod perspective
... philosophy (Bourdeau 2004), and denies what we might call dignity to animals. Essentially, according to this philosophy we can do what we like to animals; this view is fortunately no longer prevalent. The only redeeming aspect of this system is the viewpoint that our humaneness is of value to us, an ...
... philosophy (Bourdeau 2004), and denies what we might call dignity to animals. Essentially, according to this philosophy we can do what we like to animals; this view is fortunately no longer prevalent. The only redeeming aspect of this system is the viewpoint that our humaneness is of value to us, an ...
630b.pdf
... were initiated during 2004 in central Idaho and 2007 in western Idaho-northeastern Oregon to evaluate habitat use, activity budget, and productivity responses of range cattle to increasing wolf predation pressure. Global positioning system (GPS) tracking collars were used to locate mature beef cows ...
... were initiated during 2004 in central Idaho and 2007 in western Idaho-northeastern Oregon to evaluate habitat use, activity budget, and productivity responses of range cattle to increasing wolf predation pressure. Global positioning system (GPS) tracking collars were used to locate mature beef cows ...