How do generalist consumers coexist over evolutionary time? An
... consumer fitness. In the current article, we demonstrate that an interaction between resource nutritional interaction and resource acquisition tradeoff shape can allow for the evolutionarily stable coexistence of generalists. We analyze a simple consumerresource model with a flexible tradeoff functi ...
... consumer fitness. In the current article, we demonstrate that an interaction between resource nutritional interaction and resource acquisition tradeoff shape can allow for the evolutionarily stable coexistence of generalists. We analyze a simple consumerresource model with a flexible tradeoff functi ...
Grey wolf selection for moose calves and factors influencing prey
... et al., 2015). The general tendency, in terms of prey selection, is that larger packs focus on large prey, like moose, while smaller packs target small prey (Mech and Boitani, 2003). However, wolf populations exploited by human hunting may be represented by smaller pack sizes, though still target la ...
... et al., 2015). The general tendency, in terms of prey selection, is that larger packs focus on large prey, like moose, while smaller packs target small prey (Mech and Boitani, 2003). However, wolf populations exploited by human hunting may be represented by smaller pack sizes, though still target la ...
INTRASPECIFIC VARIATION OF THREE PHENOTYPIC
... that hemoglobin up-regulation plays in diel vertical migration, and how it might mediate coexistence of Daphnia within lakes is still unclear. Using an oligotrophic lake in Ontario, I studied three distinct phenotypes of Daphnia pulicaria, which differed in the ability to up-regulate hemoglobin (cla ...
... that hemoglobin up-regulation plays in diel vertical migration, and how it might mediate coexistence of Daphnia within lakes is still unclear. Using an oligotrophic lake in Ontario, I studied three distinct phenotypes of Daphnia pulicaria, which differed in the ability to up-regulate hemoglobin (cla ...
Conservation Biology for All
... The moral rights of the author have been asserted Database right Oxford University Press (maker) First published 2010 All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, without the prior permission in writing ...
... The moral rights of the author have been asserted Database right Oxford University Press (maker) First published 2010 All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, without the prior permission in writing ...
cougars - Raincoast Conservation Foundation
... Accordingly, we offer this report in the context of the ever-growing carnivore conservation movement and, broadly, the global extinction crisis. We consider our efforts as a race against time. Clearly, the best time for ensuring the conservation of cougars is while viable populations and connected h ...
... Accordingly, we offer this report in the context of the ever-growing carnivore conservation movement and, broadly, the global extinction crisis. We consider our efforts as a race against time. Clearly, the best time for ensuring the conservation of cougars is while viable populations and connected h ...
Wolf in Latvia
... excellent feed resources for carnivores. This situation resulted in another rapid growth of wolf population, reaching nearly 1,000 heads. The 90`s in Europe, too, were noted for an increase in wolf population and widening of its distribution range. As a result of natural migration, wolf appeared in ...
... excellent feed resources for carnivores. This situation resulted in another rapid growth of wolf population, reaching nearly 1,000 heads. The 90`s in Europe, too, were noted for an increase in wolf population and widening of its distribution range. As a result of natural migration, wolf appeared in ...
fitzgerald biosphere recovery plan
... Reserve (including National Parks and Nature Reserves) or Unallocated Crown Land (UCL). ...................9 Table 3: The number of species and ecological communities of the Fitzgerald Biosphere that are listed as Threatened under State or Commonwealth (EPBC Act) legislation or Priority by the Depar ...
... Reserve (including National Parks and Nature Reserves) or Unallocated Crown Land (UCL). ...................9 Table 3: The number of species and ecological communities of the Fitzgerald Biosphere that are listed as Threatened under State or Commonwealth (EPBC Act) legislation or Priority by the Depar ...
Mycorrhizal Fungi in Successional Environments
... an elegant effort to integrate physiology of the hosts as well as their mycorrhizal fungi, it has been criticized for not acknowledging the stand-level environmental parameters that change with the age of the stand (Jumpponen et al., 1999a; Keizer and Arnolds, 1994). Furthermore, the early- and late ...
... an elegant effort to integrate physiology of the hosts as well as their mycorrhizal fungi, it has been criticized for not acknowledging the stand-level environmental parameters that change with the age of the stand (Jumpponen et al., 1999a; Keizer and Arnolds, 1994). Furthermore, the early- and late ...
Invasion Dynamics of a Non-indigenous bivalve, Nuttallia obscurata
... and length-frequency analysis, growth modeling) and ecological interactions with native species (i.e. predator/prey preference feeding trials). Using these results, a matrix demographic model was developed to determine which life history stage contributes the most to varnish clam population growth. ...
... and length-frequency analysis, growth modeling) and ecological interactions with native species (i.e. predator/prey preference feeding trials). Using these results, a matrix demographic model was developed to determine which life history stage contributes the most to varnish clam population growth. ...
GENERALITY OF LEAF TRAIT RELATIONSHIPS: A TEST ACROSS SIX BIOMES P B. R
... 1991, Ellsworth and Reich 1992). We took at least 10 (but usually more) measurements per species from several individuals at each site, then averaged these for subsequent analyses. After measuring gas exchange rates, foliage was harvested. The projected surface area of either the leaf tissue or its ...
... 1991, Ellsworth and Reich 1992). We took at least 10 (but usually more) measurements per species from several individuals at each site, then averaged these for subsequent analyses. After measuring gas exchange rates, foliage was harvested. The projected surface area of either the leaf tissue or its ...
1 Course: Zoology Online Resources used in Correlations These
... INTENDED OUTCOME: 2. Apply knowledge of the nature of science, scientific methodology, and historical context to solve problems, and employ safe and effective use of laboratory technologies STRAND: H. The Nature of Science STANDARD: 2. The student understands that most natural events occur in compre ...
... INTENDED OUTCOME: 2. Apply knowledge of the nature of science, scientific methodology, and historical context to solve problems, and employ safe and effective use of laboratory technologies STRAND: H. The Nature of Science STANDARD: 2. The student understands that most natural events occur in compre ...
NOBANIS –Invasive Alien Species Fact Sheet Neovison vison
... particular prevention actions should take place regarding the problems of (invasive) species and their massive distribution. The plan is to make farming conditions very strict (in existing farms) where new species could be brought into the country only for breeding activities. A recent Danish govern ...
... particular prevention actions should take place regarding the problems of (invasive) species and their massive distribution. The plan is to make farming conditions very strict (in existing farms) where new species could be brought into the country only for breeding activities. A recent Danish govern ...
Atlantic salmon Inner Bay (Salmo salar)
... within the rivers, and the spatial isolation of river systems. This differentiation is generally hierarchical, with regional groups of populations having more genetic similarity than that found across groups. Groups also tend to share adaptations that allow individuals to be successful in their spec ...
... within the rivers, and the spatial isolation of river systems. This differentiation is generally hierarchical, with regional groups of populations having more genetic similarity than that found across groups. Groups also tend to share adaptations that allow individuals to be successful in their spec ...
Chapter V Vascular plant litter input in subarctic
... Additionally, a change in the physical properties of litter might structure soil invertebrate communities by altering the local microclimatic conditions (Coulson et al. 1993; Hättenschwiler et al. 2005) to which soil invertebrates are very sensitive (Huhta and Hanninen 2001). Changes in these condit ...
... Additionally, a change in the physical properties of litter might structure soil invertebrate communities by altering the local microclimatic conditions (Coulson et al. 1993; Hättenschwiler et al. 2005) to which soil invertebrates are very sensitive (Huhta and Hanninen 2001). Changes in these condit ...
Answer Key - Mandarin High School - Mrs. Brand`s Science Classes
... be published in their magazine, is to report on the value of biodiversity and the ecology of an endangered species in the writer’s state. The article should include a conservation or recovery plan for the endangered species. You have decided to enter the competition by creating a magazine article, c ...
... be published in their magazine, is to report on the value of biodiversity and the ecology of an endangered species in the writer’s state. The article should include a conservation or recovery plan for the endangered species. You have decided to enter the competition by creating a magazine article, c ...
A gentle depilation of the niche: Dicean
... essential difference between the niche concept of Grinnell and that of Elton ... they both refer to the essential elements of the environment utilized by the animal.” I do not agree with that conclusion. I here treat the two men together only because they apparently developed their concepts independ ...
... essential difference between the niche concept of Grinnell and that of Elton ... they both refer to the essential elements of the environment utilized by the animal.” I do not agree with that conclusion. I here treat the two men together only because they apparently developed their concepts independ ...
The Impacts of Shoreline Development on Shallow-water Benthic Communities in the Patuxent River, MD
... Chesapeake Bay watershed alone has experienced a three-fold increase in population size in the past 100 years (Kemp et al. 2005). As human development progresses farther seaward, changes in land-use patterns may result in alterations of physical and chemical processes that occur at the land-water in ...
... Chesapeake Bay watershed alone has experienced a three-fold increase in population size in the past 100 years (Kemp et al. 2005). As human development progresses farther seaward, changes in land-use patterns may result in alterations of physical and chemical processes that occur at the land-water in ...
Abstract Book (, ~2 MB in size)
... that rely on a fish's ability to sense their environments. However, research on these effects is limited because of the difficulty of quantifying how an individual senses their environment. To address this issue, we used a weakly electric fish (Gnathonemus victoriae) as a model system because the el ...
... that rely on a fish's ability to sense their environments. However, research on these effects is limited because of the difficulty of quantifying how an individual senses their environment. To address this issue, we used a weakly electric fish (Gnathonemus victoriae) as a model system because the el ...
Context dependency in acorn predation and dispersal Apodemus sylvaticus
... Earth's biodiversity results from a complex evolutionary history of interactions among organisms. Plant-animal interactions are a paradigmatic example of such ecological relationships, from antagonistic to mutualistic relationships, although determining its result might be difficult, like in the cas ...
... Earth's biodiversity results from a complex evolutionary history of interactions among organisms. Plant-animal interactions are a paradigmatic example of such ecological relationships, from antagonistic to mutualistic relationships, although determining its result might be difficult, like in the cas ...
Annemarie Nagle
... successional stages, various patterns of birth, death, and disturbance, and graded physical conditions. In fact, their definition of climax as a “state [that] is best viewed as the most probable state at any point in an area which has remained in a constant climate without major catastrophe for a lo ...
... successional stages, various patterns of birth, death, and disturbance, and graded physical conditions. In fact, their definition of climax as a “state [that] is best viewed as the most probable state at any point in an area which has remained in a constant climate without major catastrophe for a lo ...
Full-Text PDF
... Arthropoda is a group of invertebrates that comprises roughly 75%–85% of all known species on earth [11,12]. Their evolution traces back more than 520 Mio years, and yet many questions concerning arthropod relationships remain [11,13], in particular for the four traditional extant euarthropod groups ...
... Arthropoda is a group of invertebrates that comprises roughly 75%–85% of all known species on earth [11,12]. Their evolution traces back more than 520 Mio years, and yet many questions concerning arthropod relationships remain [11,13], in particular for the four traditional extant euarthropod groups ...
Small mouthed Salamander (Ambystoma texanum)
... including section 2, Recovery, with the exception of approaches 1.1, 2.1, 3.1, 3.2, and 3.3. Approaches 1.1, 2.1, 3.1, and 3.3 have been modified for the purposes of this recovery strategy. Environment and Climate Change Canada has established its own population and distribution objective that is co ...
... including section 2, Recovery, with the exception of approaches 1.1, 2.1, 3.1, 3.2, and 3.3. Approaches 1.1, 2.1, 3.1, and 3.3 have been modified for the purposes of this recovery strategy. Environment and Climate Change Canada has established its own population and distribution objective that is co ...
Whooping Crane (Grus americana)
... Longevity in the wild is estimated to be 22-30 years. Overall mortality for the WBNP/ANWR population is 9.9% per year. Unguarded eggs and flightless young can be vulnerable to a variety of terrestrial predators, especially during periods of drought. Most adult mortality occurs during migration or on ...
... Longevity in the wild is estimated to be 22-30 years. Overall mortality for the WBNP/ANWR population is 9.9% per year. Unguarded eggs and flightless young can be vulnerable to a variety of terrestrial predators, especially during periods of drought. Most adult mortality occurs during migration or on ...
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 ...