How do generalist consumers coexist over evolutionary time? An
... for specialists. Since evolution forces consumers into a single, optimal resource consumption strategy, character convergence for these resources degrades diversity. On the other hand, antagonistic resources can lead to character divergence. Due to the nutritional penalty for consuming both resource ...
... for specialists. Since evolution forces consumers into a single, optimal resource consumption strategy, character convergence for these resources degrades diversity. On the other hand, antagonistic resources can lead to character divergence. Due to the nutritional penalty for consuming both resource ...
Ecological Focus Area choices and their potential impacts on
... EFA requirements and what EFA rules have been put in place in 13 case study countries and regions1. The literature shows that under the current EFA rules and conventional farming practices it is unlikely that most nitrogen-fixing crops grown on EFAs will provide significant benefits for biodiversity ...
... EFA requirements and what EFA rules have been put in place in 13 case study countries and regions1. The literature shows that under the current EFA rules and conventional farming practices it is unlikely that most nitrogen-fixing crops grown on EFAs will provide significant benefits for biodiversity ...
Chenopodium berlandieri and the Cultural Origins of Agriculture
... agricultural plants in the region. Data collection and technological advances have in large part validated these theories, creating a model for domestication. By emphasizing farming over other cultural practices, however, these theories lack explanatory power with regards to the domestication of som ...
... agricultural plants in the region. Data collection and technological advances have in large part validated these theories, creating a model for domestication. By emphasizing farming over other cultural practices, however, these theories lack explanatory power with regards to the domestication of som ...
Ecosystems and Environment
... Copyright © 2007 Pearson Education, Inc., publishing as Pearson Addison-Wesley ...
... Copyright © 2007 Pearson Education, Inc., publishing as Pearson Addison-Wesley ...
PP Chapter 21 Text
... Copyright © 2007 Pearson Education, Inc., publishing as Pearson Addison-Wesley ...
... Copyright © 2007 Pearson Education, Inc., publishing as Pearson Addison-Wesley ...
Endophytic fungi alter relationships between diversity and
... example, Klironomos et al. (2000) showed that mycorrhizae caused primary productivity to level off more quickly with increasing diversity than when mycorrhizae were absent. Similarly, other symbionts, such as nitrogen-fixing bacteria, can alter ecosystem functioning and the composition of plant comm ...
... example, Klironomos et al. (2000) showed that mycorrhizae caused primary productivity to level off more quickly with increasing diversity than when mycorrhizae were absent. Similarly, other symbionts, such as nitrogen-fixing bacteria, can alter ecosystem functioning and the composition of plant comm ...
Community and foodweb ecology of freshwater mussels
... and sediment with ciliated gills. Differences in cilia structure and arrangement might allow mussel species to partition food resources. Mussels are omnivores that feed across trophic levels on bacteria, algae, detritus, zooplankton, and perhaps, dissolved organic matter. Living mussels and their sp ...
... and sediment with ciliated gills. Differences in cilia structure and arrangement might allow mussel species to partition food resources. Mussels are omnivores that feed across trophic levels on bacteria, algae, detritus, zooplankton, and perhaps, dissolved organic matter. Living mussels and their sp ...
Cover sheet Arbuscular mycorrhizal fungi, Collembola and plant
... be done, in which populations of animals and fungi are manipulated, while other soil organisms are unaffected. Given that AM fungi can affect the structure of plant communities, enhancing diversity and productivity36, an understanding of the interactions between Collembola, AM fungi and herbivorous ...
... be done, in which populations of animals and fungi are manipulated, while other soil organisms are unaffected. Given that AM fungi can affect the structure of plant communities, enhancing diversity and productivity36, an understanding of the interactions between Collembola, AM fungi and herbivorous ...
CBNERR Research Bibliography
... components that are sensitive to changes in biological and physical driving factors. Static and dynamic modeling frameworks provide an integrative way to study complex hydrodynamic and biogeochemical processes in linked estuarine habitats. In this study we describe a spatial simulation model develop ...
... components that are sensitive to changes in biological and physical driving factors. Static and dynamic modeling frameworks provide an integrative way to study complex hydrodynamic and biogeochemical processes in linked estuarine habitats. In this study we describe a spatial simulation model develop ...
Food Web Theory and Ecological Restoration
... food web approaches are n ot often used in applied endeavors such as fisheries and wildlife management, conservation biology, and ecological restoration (Dobson eta!. 2009; Memmott 2009). We argue that food web ecology has the potential to contribute to ecological restoration by encouraging a dynami ...
... food web approaches are n ot often used in applied endeavors such as fisheries and wildlife management, conservation biology, and ecological restoration (Dobson eta!. 2009; Memmott 2009). We argue that food web ecology has the potential to contribute to ecological restoration by encouraging a dynami ...
SAFS Suggested Restricted Electives
... turkeys as related to environmental physiology, nutrition and metabolism, disease management and reproduction. Offered in alternate years. GE credit: SE, SL.—(I.) King Lecture—3 hours; laboratory—3 hours; one or two Saturday field trips. Prerequisite: course 41, Animal Genetics 107, Nutrition 115, o ...
... turkeys as related to environmental physiology, nutrition and metabolism, disease management and reproduction. Offered in alternate years. GE credit: SE, SL.—(I.) King Lecture—3 hours; laboratory—3 hours; one or two Saturday field trips. Prerequisite: course 41, Animal Genetics 107, Nutrition 115, o ...
The effects of foliar pubescence and nutrient polymorpha (Myrtaceae)
... by clipping foliage from Metrosideros polymorpha (Myrtaceae) trees of pubescent, glabrous, and intermediate leaf forms on fertilised and unfertilised plots. 2. Fertilisation decreased leaf mass per area (LMA) but did not change the relative mass of pubescence within leaf morphological classes. 3. Fe ...
... by clipping foliage from Metrosideros polymorpha (Myrtaceae) trees of pubescent, glabrous, and intermediate leaf forms on fertilised and unfertilised plots. 2. Fertilisation decreased leaf mass per area (LMA) but did not change the relative mass of pubescence within leaf morphological classes. 3. Fe ...
PDF 428KB - University of Hawaii
... by clipping foliage from Metrosideros polymorpha (Myrtaceae) trees of pubescent, glabrous, and intermediate leaf forms on fertilised and unfertilised plots. 2. Fertilisation decreased leaf mass per area (LMA) but did not change the relative mass of pubescence within leaf morphological classes. 3. Fe ...
... by clipping foliage from Metrosideros polymorpha (Myrtaceae) trees of pubescent, glabrous, and intermediate leaf forms on fertilised and unfertilised plots. 2. Fertilisation decreased leaf mass per area (LMA) but did not change the relative mass of pubescence within leaf morphological classes. 3. Fe ...
The role of selection within plant communities for ecosystem
... on ecosystem functioning increases over time, yet it remains unclear which mechanisms drive this increase. The strengthening of the biodiversity effect on performance has been interpreted as a potential consequence of increasing complementary resource use between, or pathogen regulation of, species ...
... on ecosystem functioning increases over time, yet it remains unclear which mechanisms drive this increase. The strengthening of the biodiversity effect on performance has been interpreted as a potential consequence of increasing complementary resource use between, or pathogen regulation of, species ...
Biodiversity and teaching - Bertrand Pajot
... A theorical and practical hard work… Using many different technical manners (from on field ...
... A theorical and practical hard work… Using many different technical manners (from on field ...
Ecosystems and Their Services - Millennium Ecosystem Assessment
... land, water and living resources that promotes conservation and sustainable use in an equitable way. Thus, the application of the ecosystem approach will help to reach a balance of the three objectives of the Convention: conservation; sustainable use; and the fair and equitable sharing of the benefi ...
... land, water and living resources that promotes conservation and sustainable use in an equitable way. Thus, the application of the ecosystem approach will help to reach a balance of the three objectives of the Convention: conservation; sustainable use; and the fair and equitable sharing of the benefi ...
A synthetic review of feedbacks and drivers of shrub encroachment
... around the world have been encroached by shrubs. This phenomenon has been documented in Southern Africa, South America, Australia (van Vegten 1983, Adamoli et al., 1990, Burrows et al., 1990, Moleele et al., 2002), and in the warm deserts of the southwestern United States (Archer et al., 1995, Van A ...
... around the world have been encroached by shrubs. This phenomenon has been documented in Southern Africa, South America, Australia (van Vegten 1983, Adamoli et al., 1990, Burrows et al., 1990, Moleele et al., 2002), and in the warm deserts of the southwestern United States (Archer et al., 1995, Van A ...
A synthesis of subdisciplines: predator–prey interactions, and
... The last 15 years has seen parallel surges of interest in two research areas that have rarely intersected: biodiversity and ecosystem functioning (BEF), and multispecies predator– prey interactions (PPI). Research addressing role of biodiversity in ecosystem functioning has focused primarily on sing ...
... The last 15 years has seen parallel surges of interest in two research areas that have rarely intersected: biodiversity and ecosystem functioning (BEF), and multispecies predator– prey interactions (PPI). Research addressing role of biodiversity in ecosystem functioning has focused primarily on sing ...
Are there real differences among aquatic and terrestrial food webs?
... For example, Strong et al.20 provided evidence for a strong towards freshwater lake ecosystems, evidence from both species-level trophic cascade that extended to an abunstream17 and marine18 ecosystems show similar patterns. dant nitrogen-fixing shrub in a simple dune ecosystem. Similarly, Spiller a ...
... For example, Strong et al.20 provided evidence for a strong towards freshwater lake ecosystems, evidence from both species-level trophic cascade that extended to an abunstream17 and marine18 ecosystems show similar patterns. dant nitrogen-fixing shrub in a simple dune ecosystem. Similarly, Spiller a ...
BIODIVERSITY AND ECOSYSTEM SERVICES OF WETLANDS
... Water is the most abundant substance on our Earth and yet the most critical one that sustains all living organisms — from microscopic bacteria to large mammals – and also influences all nonliving components of the earth’s environment. Driven by solar energy, water remains in continuous circulation, ...
... Water is the most abundant substance on our Earth and yet the most critical one that sustains all living organisms — from microscopic bacteria to large mammals – and also influences all nonliving components of the earth’s environment. Driven by solar energy, water remains in continuous circulation, ...
Rural livelihoods and mangrove degradation in south
... quantity and species of molluscs targeted, how shell collectors are responding to scarcity, and the ecological impacts of shell collection. Our findings suggest that mangroves must be managed as part of broader landscape-based approaches. There is now abundant research showing that mangroves are int ...
... quantity and species of molluscs targeted, how shell collectors are responding to scarcity, and the ecological impacts of shell collection. Our findings suggest that mangroves must be managed as part of broader landscape-based approaches. There is now abundant research showing that mangroves are int ...
Migratory Animals Couple Biodiversity and Ecosystem Functioning
... (4), and over 30% breeding in the Palearctic migrate to sub-Saharan Africa (4), with many more migrating within Europe. Although accurate estimates of the number of individuals involved are scant, more than 2 billion passerine birds are found to migrate to sub-Saharan Africa (5), whereas upwards of ...
... (4), and over 30% breeding in the Palearctic migrate to sub-Saharan Africa (4), with many more migrating within Europe. Although accurate estimates of the number of individuals involved are scant, more than 2 billion passerine birds are found to migrate to sub-Saharan Africa (5), whereas upwards of ...
Biology B Ecology
... ecology through the exploration of the following essential questions: • How do organisms live, grow, respond to their environment, and reproduce? • How are the characteristics of one generation passed to the next? • How can individuals of the same species and even siblings have different characteris ...
... ecology through the exploration of the following essential questions: • How do organisms live, grow, respond to their environment, and reproduce? • How are the characteristics of one generation passed to the next? • How can individuals of the same species and even siblings have different characteris ...
Ecosystems - Environmental
... Organisms; any form of life Populations Same species living in the same area ...
... Organisms; any form of life Populations Same species living in the same area ...