Rana Aurora (Northern Red-legged Frog)
... et al. 2007. Northwest. Nat. 88 :95-97). In this study, R . aurora egg masses occasionally became detached from attachment vegetation on their own, but typically only as they aged and neared hatching, when they typically float. Moreover, in the absence of high wind or other substantial disturbance, ...
... et al. 2007. Northwest. Nat. 88 :95-97). In this study, R . aurora egg masses occasionally became detached from attachment vegetation on their own, but typically only as they aged and neared hatching, when they typically float. Moreover, in the absence of high wind or other substantial disturbance, ...
mop4_31_ssap_black_tailed_godwit_0
... The Black-tailed Godwit has a widespread but disjunct distribution in the Western Palearctic. Two subspecies occur in this area; islandica which breeds mainly in Iceland and limosa with a main breeding range from The Netherlands to Russia. The populations of both subspecies are migratory and have se ...
... The Black-tailed Godwit has a widespread but disjunct distribution in the Western Palearctic. Two subspecies occur in this area; islandica which breeds mainly in Iceland and limosa with a main breeding range from The Netherlands to Russia. The populations of both subspecies are migratory and have se ...
Diversification in a fluctuating island setting
... gene tree and morphological species (Su et al. 1996) prompted a test of incongruence between mitochondrial and nuclear gene trees, and morphological classification (Sota & Vogler 2001), phylogenetic reconstruction with multiple nuclear genes (Sota & Vogler 2003), and studies of interspecific mitocho ...
... gene tree and morphological species (Su et al. 1996) prompted a test of incongruence between mitochondrial and nuclear gene trees, and morphological classification (Sota & Vogler 2001), phylogenetic reconstruction with multiple nuclear genes (Sota & Vogler 2003), and studies of interspecific mitocho ...
Defining drivers of the trophic niche width in reef fish communities
... seront alors présentées. ...
... seront alors présentées. ...
Network ecology: topological constraints on ecosystem dynamics
... this is suitable for bridging the gap between mathematical rigor and ecological practice. We also note that we will use the words “graph” and “network” interchangeably. The key message of topology is to keep the “whole” in mind while studying the “parts” and vice versa. The network context is unavoi ...
... this is suitable for bridging the gap between mathematical rigor and ecological practice. We also note that we will use the words “graph” and “network” interchangeably. The key message of topology is to keep the “whole” in mind while studying the “parts” and vice versa. The network context is unavoi ...
Western Pond Turtle (Clemmys marmorata)
... Numerous factors, including loss, degradation, and fragmentation of habitat; disease; introduced predators and competitors; and other natural and anthropogenic conditions present ongoing threats to western pond turtle throughout 75–80% of its range (USFWS 1999; Holland 1991a). Recent studies describ ...
... Numerous factors, including loss, degradation, and fragmentation of habitat; disease; introduced predators and competitors; and other natural and anthropogenic conditions present ongoing threats to western pond turtle throughout 75–80% of its range (USFWS 1999; Holland 1991a). Recent studies describ ...
Great Barrier Reef Marine Park Authority submission on the green
... that biomass were only in no-fishing zones. GBRMPA is strongly supportive of all responsible management interventions that are designed to achieve a biomass of at least 60 per cent of the unfished population. The 2014 Outlook Report identified “very high” and “high” fishing related risks to target s ...
... that biomass were only in no-fishing zones. GBRMPA is strongly supportive of all responsible management interventions that are designed to achieve a biomass of at least 60 per cent of the unfished population. The 2014 Outlook Report identified “very high” and “high” fishing related risks to target s ...
A comparison of invasive and non
... been introduced outside their native range, primarily as ornamentals (e.g. Gardino Nursery, 2004; NRCS Plants, 2004), although not necessarily with the same propagule pressure as the invaders. Nutrient gradient experiment I compared the performance of two pairs of invasive and noninvasive species ac ...
... been introduced outside their native range, primarily as ornamentals (e.g. Gardino Nursery, 2004; NRCS Plants, 2004), although not necessarily with the same propagule pressure as the invaders. Nutrient gradient experiment I compared the performance of two pairs of invasive and noninvasive species ac ...
Downloaded - University of Kentucky College of Arts and Sciences
... significant impacts on geomorphological processes and landforms, while landforms and surface processes are in turn critical aspects of habitat for organisms. It has long been recognized that landforms and organisms influence each other. However, the rise of biogeomorphology in recent years reflects ...
... significant impacts on geomorphological processes and landforms, while landforms and surface processes are in turn critical aspects of habitat for organisms. It has long been recognized that landforms and organisms influence each other. However, the rise of biogeomorphology in recent years reflects ...
SOLWAY EUROPEAN MARINE SITE Natural England and Scottish
... This document provides Natural England’s and Scottish Natural Heritage’s joint advice to other relevant authorities as to, and in support of, (a) the conservation objectives and (b) any operations which may cause deterioration of natural habitats or the habitats of species, or disturbance of species ...
... This document provides Natural England’s and Scottish Natural Heritage’s joint advice to other relevant authorities as to, and in support of, (a) the conservation objectives and (b) any operations which may cause deterioration of natural habitats or the habitats of species, or disturbance of species ...
A metaanalysis of biotic resistance to exotic plant invasions
... paper entitled Biodiversity as a barrier to ecological invasion, advocate restoring communities with a diversity of plants because Ôdiverse communities will probably require minimal maintenance and monitoring because they are generally effective at excluding undesirable invaders.Õ Our review challen ...
... paper entitled Biodiversity as a barrier to ecological invasion, advocate restoring communities with a diversity of plants because Ôdiverse communities will probably require minimal maintenance and monitoring because they are generally effective at excluding undesirable invaders.Õ Our review challen ...
A meta-analysis of biotic resistance to exotic plant invasions
... paper entitled Biodiversity as a barrier to ecological invasion, advocate restoring communities with a diversity of plants because Ôdiverse communities will probably require minimal maintenance and monitoring because they are generally effective at excluding undesirable invaders.Õ Our review challen ...
... paper entitled Biodiversity as a barrier to ecological invasion, advocate restoring communities with a diversity of plants because Ôdiverse communities will probably require minimal maintenance and monitoring because they are generally effective at excluding undesirable invaders.Õ Our review challen ...
plant diversity of the cape region of southern africa1
... area that today supports a largely treeless, succulent or sclerophyllous shrubland. No palm species occur today in the CFR. Faunal remains suggest that by the late Miocene the once widespread forest and woodland were being replaced by more open savanna (Hendey, 1982). It was probably not until after ...
... area that today supports a largely treeless, succulent or sclerophyllous shrubland. No palm species occur today in the CFR. Faunal remains suggest that by the late Miocene the once widespread forest and woodland were being replaced by more open savanna (Hendey, 1982). It was probably not until after ...
Relative herbivory tolerance and competitive ability in two dominant
... savannas is driven primarily by selective grazing, rather than by contrasting regrowth abilities (i.e., herbivory tolerance) among species (Anderson and Briske 1995; Moretto and Distel 1997). However, an alternative hypothesis predicts that the relative balance between herbivory tolerance and select ...
... savannas is driven primarily by selective grazing, rather than by contrasting regrowth abilities (i.e., herbivory tolerance) among species (Anderson and Briske 1995; Moretto and Distel 1997). However, an alternative hypothesis predicts that the relative balance between herbivory tolerance and select ...
Biological Synopsis of the colonial tunicates
... Botrylloides violaceus (violet tunicate) are becoming increasingly abundant on both the east and west coasts of Canada. Their potential for rapid growth allows them to exploit new environments, potentially displacing native species and disrupting community dynamics. In particular, their tendency to ...
... Botrylloides violaceus (violet tunicate) are becoming increasingly abundant on both the east and west coasts of Canada. Their potential for rapid growth allows them to exploit new environments, potentially displacing native species and disrupting community dynamics. In particular, their tendency to ...
Landscape size affects the relative importance of habitat amount
... It is important to understand the relative effects of landscape habitat loss, habitat fragmentation, and matrix quality on biodiversity, so that potential management options can be appropriately ranked. However, their effects and relative importance may change with the size of the landscape consider ...
... It is important to understand the relative effects of landscape habitat loss, habitat fragmentation, and matrix quality on biodiversity, so that potential management options can be appropriately ranked. However, their effects and relative importance may change with the size of the landscape consider ...
Special Feature
... genetic variation sets the opportunity. It is possible to integrate these views by imagining a ‘‘vacant niche’’ with sufficient resources to support a new species, and the subsequent evolution of a novel phenotype to fill the niche. However, Lewontin (1978) makes it clear that genetic variation is f ...
... genetic variation sets the opportunity. It is possible to integrate these views by imagining a ‘‘vacant niche’’ with sufficient resources to support a new species, and the subsequent evolution of a novel phenotype to fill the niche. However, Lewontin (1978) makes it clear that genetic variation is f ...
Canadian Wildlife Service
... Annual Cycle of the Short-eared Owl Arrive in Nunavut in April or May, build their own nest and begin laying eggs by mid-June Lay an average of 5 eggs and females incubate the eggs for between 21 and 37 days Short-eared Owls leave Nunavut by the end of October. We’re not sure where they winter ...
... Annual Cycle of the Short-eared Owl Arrive in Nunavut in April or May, build their own nest and begin laying eggs by mid-June Lay an average of 5 eggs and females incubate the eggs for between 21 and 37 days Short-eared Owls leave Nunavut by the end of October. We’re not sure where they winter ...
Key Conservation Issues - Oregon Conservation Strategy
... compatible with local priorities, local comprehensive plans and land use ordinances, as well as other local, state, or federal laws. Actions on federal lands must undergo federal planning processes prior to implementation to ensure consistency with existing plans and management objectives for the ar ...
... compatible with local priorities, local comprehensive plans and land use ordinances, as well as other local, state, or federal laws. Actions on federal lands must undergo federal planning processes prior to implementation to ensure consistency with existing plans and management objectives for the ar ...
Transformations - NSDL Project Archive
... Reference written by Lindsay Lane, Bio 50-112 (11AM- first half). Edited by Stephanie Fabritius. Page last updated 30 April 2002. ...
... Reference written by Lindsay Lane, Bio 50-112 (11AM- first half). Edited by Stephanie Fabritius. Page last updated 30 April 2002. ...
Program - Florida Wildlife Society
... the herd using reverse-transcriptase quantitative polymerase chain reaction in order to detect all known EHDV serotypes. Simultaneously, we trapped Culicoides using CDC miniature light traps and by aspiration directly off of white-tailed deer enclosed within a 500 acre preserve. From January to Marc ...
... the herd using reverse-transcriptase quantitative polymerase chain reaction in order to detect all known EHDV serotypes. Simultaneously, we trapped Culicoides using CDC miniature light traps and by aspiration directly off of white-tailed deer enclosed within a 500 acre preserve. From January to Marc ...
COSEWIC Status report on the Red
... There are two subspecies of R. aurora, R. a. aurora and R. a. draytonii. This separation is based on morphological, genetic and behavioural differences (Hayes and Miyamoto 1984; Green 1985; Green 1986b), although the karyotypes of the subspecies are almost identical (Green 1986a). Rana a. aurora occ ...
... There are two subspecies of R. aurora, R. a. aurora and R. a. draytonii. This separation is based on morphological, genetic and behavioural differences (Hayes and Miyamoto 1984; Green 1985; Green 1986b), although the karyotypes of the subspecies are almost identical (Green 1986a). Rana a. aurora occ ...
Mechanical vulnerability explains sizedependent mortality of reef
... plays a major role in structuring communities, such as coral reefs. Here, we test whether a traitbased, mechanistic model of mechanical vulnerability in corals can explain mortality schedules. Specifically, we ask whether species that become increasingly vulnerable to hydrodynamic dislodgment as the ...
... plays a major role in structuring communities, such as coral reefs. Here, we test whether a traitbased, mechanistic model of mechanical vulnerability in corals can explain mortality schedules. Specifically, we ask whether species that become increasingly vulnerable to hydrodynamic dislodgment as the ...
Landscape elements as potential barriers and corridors for bees
... from the traps on the grassland. To account for foraging movements of wild bees, we chose pan traps, which attract the bees by their colour (Westphal et al., 2008). One set of pan traps comprised two plastic soup bowls in yellow and blue, sprayed with UV-reflecting colour (Sparvar") and filled with ...
... from the traps on the grassland. To account for foraging movements of wild bees, we chose pan traps, which attract the bees by their colour (Westphal et al., 2008). One set of pan traps comprised two plastic soup bowls in yellow and blue, sprayed with UV-reflecting colour (Sparvar") and filled with ...
Midlands Conservation Fund
... landscape – they are now estimated to constitute only 4% of their pre-European extent. Native vegetation as a whole now occupies only 30% of the landscape. During the last 40 years, annual rainfall has declined and wool prices have dropped significantly, and as a result, many land-owning families fi ...
... landscape – they are now estimated to constitute only 4% of their pre-European extent. Native vegetation as a whole now occupies only 30% of the landscape. During the last 40 years, annual rainfall has declined and wool prices have dropped significantly, and as a result, many land-owning families fi ...
Biodiversity action plan
This article is about a conservation biology topic. For other uses of BAP, see BAP (disambiguation).A biodiversity action plan (BAP) is an internationally recognized program addressing threatened species and habitats and is designed to protect and restore biological systems. The original impetus for these plans derives from the 1992 Convention on Biological Diversity (CBD). As of 2009, 191 countries have ratified the CBD, but only a fraction of these have developed substantive BAP documents.The principal elements of a BAP typically include: (a) preparing inventories of biological information for selected species or habitats; (b) assessing the conservation status of species within specified ecosystems; (c) creation of targets for conservation and restoration; and (d) establishing budgets, timelines and institutional partnerships for implementing the BAP.