The Natural Biotic Environment of Caenorhabditis elegans
... environment of C. elegans. We focus on the biotic environment, which is usually less predictable and thus can create high selective constraints that are likely to have had a strong impact on C. elegans evolution. This nematode is particularly abundant in microbe-rich environments, especially rotting ...
... environment of C. elegans. We focus on the biotic environment, which is usually less predictable and thus can create high selective constraints that are likely to have had a strong impact on C. elegans evolution. This nematode is particularly abundant in microbe-rich environments, especially rotting ...
Substrate specificity of epiphytic communities of diatoms
... Abstract It has been always assumed, and frequently reported, that host plants, as biologically active substrates, should have a direct influence on associated epiphyton. However, some studies favoured the neutral substrate hypothesis. Thus the relationship between host plant and epiphytic communit ...
... Abstract It has been always assumed, and frequently reported, that host plants, as biologically active substrates, should have a direct influence on associated epiphyton. However, some studies favoured the neutral substrate hypothesis. Thus the relationship between host plant and epiphytic communit ...
Ecological interactions influencing Avicennia germinans propagule
... may play a key role in directing the spatial dynamics of mangrove-saltmarsh boundaries with climate change. In some cases, plant niches may be restricted by negative interactions among plants, such as competition for light or nutrients. However, under other circumstances, plant niches may be expand ...
... may play a key role in directing the spatial dynamics of mangrove-saltmarsh boundaries with climate change. In some cases, plant niches may be restricted by negative interactions among plants, such as competition for light or nutrients. However, under other circumstances, plant niches may be expand ...
AP Biology Chapter Objectives
... 1. Distinguish between autotrophic and heterotrophic nutrition. 2. Distinguish between photoautotrophs and chemoautotrophs. 3. Describe the structure of a chloroplast, listing all membranes and compartments. The Pathways of Photosynthesis 4. Write a summary equation for photosynthesis. 5. In general ...
... 1. Distinguish between autotrophic and heterotrophic nutrition. 2. Distinguish between photoautotrophs and chemoautotrophs. 3. Describe the structure of a chloroplast, listing all membranes and compartments. The Pathways of Photosynthesis 4. Write a summary equation for photosynthesis. 5. In general ...
long term study of competition between two co
... Due to the vast number of inland waters, Finland is particularly well-suited for largescale crayfish production as was shown by the huge noble crayfish, Astacus astacus, catches at the turn of the century. At its height, in 1900, the crayfish catch totalled 20 million specimens per year (JÄRVI, 1910 ...
... Due to the vast number of inland waters, Finland is particularly well-suited for largescale crayfish production as was shown by the huge noble crayfish, Astacus astacus, catches at the turn of the century. At its height, in 1900, the crayfish catch totalled 20 million specimens per year (JÄRVI, 1910 ...
DISTRIBUTION AND ECOLOGY OF LOWLAND PINE MARTEN
... pine marten in agricultural lowlands provided an invaluable opportunity for investigating its ecological requirements and the environmental factors that shape this species’ range. To assess the actual level of pine marten penetration in lowland areas of north-western Italy, a non-invasive, faecal mD ...
... pine marten in agricultural lowlands provided an invaluable opportunity for investigating its ecological requirements and the environmental factors that shape this species’ range. To assess the actual level of pine marten penetration in lowland areas of north-western Italy, a non-invasive, faecal mD ...
- California State University
... recruits in large clearings may have sufficient time and space to become established and develop into a divergent assemblage. Once started, a divergent assemblage may be maintained by positive feedbacks and "ecological engineering" within the community (Peterson 1984, Bertness and Callaway 1994, Jon ...
... recruits in large clearings may have sufficient time and space to become established and develop into a divergent assemblage. Once started, a divergent assemblage may be maintained by positive feedbacks and "ecological engineering" within the community (Peterson 1984, Bertness and Callaway 1994, Jon ...
Assessment of risks to Norwegian biodiversity from the import
... Glossary Alien organism (IUCN definition): a species, subspecies, or lower taxon occurring outside of its natural range (past or present) and dispersal potential (i.e. outside the range it occupies naturally or could not occupy without direct or indirect introduction or care by humans) and includes ...
... Glossary Alien organism (IUCN definition): a species, subspecies, or lower taxon occurring outside of its natural range (past or present) and dispersal potential (i.e. outside the range it occupies naturally or could not occupy without direct or indirect introduction or care by humans) and includes ...
The Relative Effects of Grazing By Bison and Cattle on
... indirectly assessed the importance of herbivore selectivity for maintaining species diversity by monitoring vegetation in two mowed/unmowed transects, and using analysis of variance to quantify the effect of one year of nonselective mechanical defoliation. Plant species diversity increased and evenn ...
... indirectly assessed the importance of herbivore selectivity for maintaining species diversity by monitoring vegetation in two mowed/unmowed transects, and using analysis of variance to quantify the effect of one year of nonselective mechanical defoliation. Plant species diversity increased and evenn ...
The Ecology, Impacts, and Control of Crassula helmsii Clare E. Dean
... community in a Phragmites australis dominated fen habitat? Survey data were analysed to determine whether C. helmsii was negatively correlated with variables of the plant community, a pattern indicating that C. helmsii could increase in abundance by displacing native plants. The variables ‘total com ...
... community in a Phragmites australis dominated fen habitat? Survey data were analysed to determine whether C. helmsii was negatively correlated with variables of the plant community, a pattern indicating that C. helmsii could increase in abundance by displacing native plants. The variables ‘total com ...
australian-department-environment-and-heritage-2005
... species and ecological communities affected by the process. The information in the Plan draws heavily on the major review publication on feral pigs and their management ‘Managing Vertebrate Pests: Feral Pigs’ Choquenot et. al. (1996). Managing Vertebrate Pests: Feral Pigs contains more detail on man ...
... species and ecological communities affected by the process. The information in the Plan draws heavily on the major review publication on feral pigs and their management ‘Managing Vertebrate Pests: Feral Pigs’ Choquenot et. al. (1996). Managing Vertebrate Pests: Feral Pigs contains more detail on man ...
Evolutionary context for understanding and manipulating plant
... Variation in atmospheric [CO2] is a prominent feature of the environmental history over which vascular plants have evolved. Periods of falling and low [CO2] in the palaeo-record appear to have created selective pressure for important adaptations in modern plants. Today, rising [CO2] is a key compone ...
... Variation in atmospheric [CO2] is a prominent feature of the environmental history over which vascular plants have evolved. Periods of falling and low [CO2] in the palaeo-record appear to have created selective pressure for important adaptations in modern plants. Today, rising [CO2] is a key compone ...
2 plant responses to past, present and future atmospheric [CO
... Variation in atmospheric [CO2] is a prominent feature of the environmental history over which vascular plants have evolved. Periods of falling and low [CO2] in the palaeo-record appear to have created selective pressure for important adaptations in modern plants. Today, rising [CO2] is a key compone ...
... Variation in atmospheric [CO2] is a prominent feature of the environmental history over which vascular plants have evolved. Periods of falling and low [CO2] in the palaeo-record appear to have created selective pressure for important adaptations in modern plants. Today, rising [CO2] is a key compone ...
The interaction between cyanobacteria and zooplankton in a more
... Despite decades of research, cyanobacteria-zooplankton interactions and downstream effects on trophic dynamics remain elusive. Historically, the focus has been on studying the grazing defenses of cyanobacteria and their effects of zooplankton. Several cyanobacterial secondary metabolites, such as mi ...
... Despite decades of research, cyanobacteria-zooplankton interactions and downstream effects on trophic dynamics remain elusive. Historically, the focus has been on studying the grazing defenses of cyanobacteria and their effects of zooplankton. Several cyanobacterial secondary metabolites, such as mi ...
DRAFT - CAFF Monitoring Series Report
... KEY CONCEPTS OF THE CBMP‐TERRESTRIAL PLAN.................................................................................................36 ...
... KEY CONCEPTS OF THE CBMP‐TERRESTRIAL PLAN.................................................................................................36 ...
EDGE EFFECT INTERACTIONS IN AN AFRICAN SAVANNA By
... and conservation. Edges are ecological transition zones between adjacent environments. Species, communities and abiotic factors often respond strongly to edges, and such responses are broadly termed ‘edge effects’. Numerous studies have documented the importance of local edge effects, but it has pro ...
... and conservation. Edges are ecological transition zones between adjacent environments. Species, communities and abiotic factors often respond strongly to edges, and such responses are broadly termed ‘edge effects’. Numerous studies have documented the importance of local edge effects, but it has pro ...
Lesson Overview
... Economics and ecology share the same word root. Indeed, human economics and ecology are linked. Humans live within the biosphere and depend on ecological processes to provide such essentials as food and drinkable water that can be bought and sold for money. ...
... Economics and ecology share the same word root. Indeed, human economics and ecology are linked. Humans live within the biosphere and depend on ecological processes to provide such essentials as food and drinkable water that can be bought and sold for money. ...
Pond tadpoles with generalized morphology: is it time to reconsider
... processing bulk quantities of low-quality food (Wassersug 1980). Common food items of tadpoles that exhibit this generalized morphology include pollen, free and attached algae, particulate organic debris and associated microorganisms, microzooplankton, and periphyton (Seale and Beckvar 1980; Altig a ...
... processing bulk quantities of low-quality food (Wassersug 1980). Common food items of tadpoles that exhibit this generalized morphology include pollen, free and attached algae, particulate organic debris and associated microorganisms, microzooplankton, and periphyton (Seale and Beckvar 1980; Altig a ...
Thesis in pdf
... ”primarily non-biotic, stochastic events that results in distinct and abrupt changes in the composition and which interfere with internally-driven progress towards self-organisation and ecological equilibrium; such events are understood to operate through the medium of (e.g.) weather and at the freq ...
... ”primarily non-biotic, stochastic events that results in distinct and abrupt changes in the composition and which interfere with internally-driven progress towards self-organisation and ecological equilibrium; such events are understood to operate through the medium of (e.g.) weather and at the freq ...
Effects of stock grazing on biodiversity values in Temperate Native
... Capital Territory (ACT) where conservation is a primary management objective. Historically, stock grazing has caused enormous damage to many Australian ecosystems. Most remnant grassy ecosystems in southern Australia have been grazed by stock in the past, and their current composition is, to varying ...
... Capital Territory (ACT) where conservation is a primary management objective. Historically, stock grazing has caused enormous damage to many Australian ecosystems. Most remnant grassy ecosystems in southern Australia have been grazed by stock in the past, and their current composition is, to varying ...
Annotated Bibliography on Ecological Intensification
... biodiversity and nutrients efficiently and in ways that are regenerative, while minimizing negative impacts. Ecological intensification may be formally defined as a knowledge-intensive process that requires optimal management of nature’s ecological functions and biodiversity to improve agricultural ...
... biodiversity and nutrients efficiently and in ways that are regenerative, while minimizing negative impacts. Ecological intensification may be formally defined as a knowledge-intensive process that requires optimal management of nature’s ecological functions and biodiversity to improve agricultural ...
Conservation Biology for All - Society for Conservation Biology
... Reprinted with corrections 2010 Available online with corrections, January 2011 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 of Oxford University Press, or as exp ...
... Reprinted with corrections 2010 Available online with corrections, January 2011 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 of Oxford University Press, or as exp ...
abstracts / oral presentations - Association for Tropical Biology and
... We welcome all of you to the first ATBC meeting held in France. We hope you have fruitful interactions with colleagues, old friends, and new collaborators and mentors amidst the beautiful surroundings. Founded in 1963, the Association for Tropical Biology and Conservation (ATBC) is ...
... We welcome all of you to the first ATBC meeting held in France. We hope you have fruitful interactions with colleagues, old friends, and new collaborators and mentors amidst the beautiful surroundings. Founded in 1963, the Association for Tropical Biology and Conservation (ATBC) is ...
Maternal Effects in Animal Ecology1
... sometimes even causing evolution in a direction opposite that favored by selection; and maternal effects may allow evolution to occur even after selection has ceased. The implications of these findings extend well beyond the theoretician's desk, and they are profound, perhaps no more so than for eco ...
... sometimes even causing evolution in a direction opposite that favored by selection; and maternal effects may allow evolution to occur even after selection has ceased. The implications of these findings extend well beyond the theoretician's desk, and they are profound, perhaps no more so than for eco ...
The conceptual models and management and community needs for
... i. Workshop 1 (October 11-13, 2011, Hvalsø, Denmark) - Designing an Arctic Terrestrial Biodiversity Monitoring Plan ................................................................................................................................................190 ii. Workshop 2 (May 15-17, 2012, Anc ...
... i. Workshop 1 (October 11-13, 2011, Hvalsø, Denmark) - Designing an Arctic Terrestrial Biodiversity Monitoring Plan ................................................................................................................................................190 ii. Workshop 2 (May 15-17, 2012, Anc ...
Ecological fitting
Ecological fitting is ""the process whereby organisms colonize and persist in novel environments, use novel resources or form novel associations with other species as a result of the suites of traits that they carry at the time they encounter the novel condition.” It can be understood as a situation in which a species' interactions with its biotic and abiotic environment seem to indicate a history of coevolution, when in actuality the relevant traits evolved in response to a different set of biotic and abiotic conditions. The simplest form of ecological fitting is resource tracking, in which an organism continues to exploit the same resources, but in a new host or environment. In this framework, the organism occupies a multidimensional operative environment defined by the conditions in which it can persist, similar to the idea of the Hutchinsonian niche. In this case, a species can colonize new environments (e.g. an area with the same temperature and water regime) and/or form new species interactions (e.g. a parasite infecting a new host) which can lead to the misinterpretation of the relationship as coevolution, although the organism has not evolved and is continuing to exploit the same resources it always has. The more strict definition of ecological fitting requires that a species encounter an environment or host outside of its original operative environment and obtain realized fitness based on traits developed in previous environments that are now co-opted for a new purpose. This strict form of ecological fitting can also be expressed either as colonization of new habitat or the formation of new species interactions.