070108F_FinalReport_Project Chicamocha II
... altitude is approximately 1810 metres and it has an extension of 36019.21 hectares. Zapatoca bounded on the north by the municipalities of Betulia and Giron, on the east by San Vicente de Chucuri, on the east by the municipalities of Villanueva and Los Santos, and on the south by the municipalities ...
... altitude is approximately 1810 metres and it has an extension of 36019.21 hectares. Zapatoca bounded on the north by the municipalities of Betulia and Giron, on the east by San Vicente de Chucuri, on the east by the municipalities of Villanueva and Los Santos, and on the south by the municipalities ...
Synchronous dynamics of zooplankton competitors
... that the environment may select species with similar traits, which in turn predisposes species to exhibit synchronized dynamics [1]. The extent of synchronous and compensatory dynamics in competitive communities may therefore reflect differences in the relative strength of environmental forcing and ...
... that the environment may select species with similar traits, which in turn predisposes species to exhibit synchronized dynamics [1]. The extent of synchronous and compensatory dynamics in competitive communities may therefore reflect differences in the relative strength of environmental forcing and ...
A Five Year Species Action Framework: making a difference for
... criteria but have not been listed (See Box 3). That is because in many cases we and our partners are already undertaking significant work on them or we have existing commitments to manage them. For example, some species are currently benefiting from various types of management schemes which are like ...
... criteria but have not been listed (See Box 3). That is because in many cases we and our partners are already undertaking significant work on them or we have existing commitments to manage them. For example, some species are currently benefiting from various types of management schemes which are like ...
1. Invasive species and their impacts
... variety of resources (e.g., generalist consumer), or be better specialized at obtaining one specific set of resources. A combination of these characteristics allows invasive species to outcompete native species in a region and become established. ...
... variety of resources (e.g., generalist consumer), or be better specialized at obtaining one specific set of resources. A combination of these characteristics allows invasive species to outcompete native species in a region and become established. ...
Indirect effects of invasive species affecting the population structure
... predators, transmitted by consumers, and received by lower trophic levels, usually primary producers. However, indirect interactions are not limited to top-down trophic pathways. In theory, any organism at any taxonomic level can act as an initiator, a transmitter, or a receiver species. For example ...
... predators, transmitted by consumers, and received by lower trophic levels, usually primary producers. However, indirect interactions are not limited to top-down trophic pathways. In theory, any organism at any taxonomic level can act as an initiator, a transmitter, or a receiver species. For example ...
Willow-characterised shrub vegetation in tundra and its relation to
... accommodation and laboratory facilities by the Finnish Forest Research Institute (METLA). During this time, I had fruitful discussion with Timo Helle and Sari Stark on issues concerning reindeer pastures. Sari Stark also helped me with soil analyses. In addition to my supervisors, I had additional g ...
... accommodation and laboratory facilities by the Finnish Forest Research Institute (METLA). During this time, I had fruitful discussion with Timo Helle and Sari Stark on issues concerning reindeer pastures. Sari Stark also helped me with soil analyses. In addition to my supervisors, I had additional g ...
The relative dominance hypothesis explains interaction dynamics in mixed species /
... & Weiner 1998). Although the amount of resources available to dominant individuals may also be affected by neighbourhood competition, only weak relationships have been observed in several studies between measures of neighbourhood competition and the growth of larger individuals (Cannell et al. 1984) ...
... & Weiner 1998). Although the amount of resources available to dominant individuals may also be affected by neighbourhood competition, only weak relationships have been observed in several studies between measures of neighbourhood competition and the growth of larger individuals (Cannell et al. 1984) ...
Insect Signature Indicating Corpse Movement from Urban to Rural
... (Grassberger and Frank 2004) or 5 stages (Payne 1965; Tullis and Goff 1987; Goff 1993). For this study, I use 5 stages: fresh, bloat, decay, post decay and dry remains stages. The fresh stage begins immediately after death and ends when the first signs of bloating appear. During the bloated stage f ...
... (Grassberger and Frank 2004) or 5 stages (Payne 1965; Tullis and Goff 1987; Goff 1993). For this study, I use 5 stages: fresh, bloat, decay, post decay and dry remains stages. The fresh stage begins immediately after death and ends when the first signs of bloating appear. During the bloated stage f ...
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... practice (Bengtsson et al., 2000; ) as well as wider ecological theory. For example, predator diversity may be important for herbivore pest control (Snyder et al., 2006; Tylianakis & Romo, 2010), while a diverse pollinator assemblage also ensures a full pollination service to the plant community (Me ...
... practice (Bengtsson et al., 2000; ) as well as wider ecological theory. For example, predator diversity may be important for herbivore pest control (Snyder et al., 2006; Tylianakis & Romo, 2010), while a diverse pollinator assemblage also ensures a full pollination service to the plant community (Me ...
Energy budget and ecological role of mangrove epibenthos in the
... rapax and U. vocator. The large creek stratum was strongly dominated by the fiddler crab U. maracoani, while in the small creek 4 species (Uca cumulanta, U. maracoani, Pachygrapsus gracilis and Eurytium limosum) contributed similar quantities to total biomass. Per area somatic production (P) and res ...
... rapax and U. vocator. The large creek stratum was strongly dominated by the fiddler crab U. maracoani, while in the small creek 4 species (Uca cumulanta, U. maracoani, Pachygrapsus gracilis and Eurytium limosum) contributed similar quantities to total biomass. Per area somatic production (P) and res ...
The role of macrophytes in habitat structuring in aquatic
... standardized fashion, making comparisons among different studies and the establishment of general conclusions difficult. To address this issue, this review is focused on questions related to the habitat structural complexity provided by these plants, exploring: i) how complexity has been viewed by e ...
... standardized fashion, making comparisons among different studies and the establishment of general conclusions difficult. To address this issue, this review is focused on questions related to the habitat structural complexity provided by these plants, exploring: i) how complexity has been viewed by e ...
Climate Change Risk Assessment Comment
... consequences for fire risk and loss of moorland habitat. Changes in competition /predation etc, e.g. trophic XXX (illegible) All climate envelope modelling suggests more species will be negatively affected than will be positively affected in terms of available climate space. This does not take i ...
... consequences for fire risk and loss of moorland habitat. Changes in competition /predation etc, e.g. trophic XXX (illegible) All climate envelope modelling suggests more species will be negatively affected than will be positively affected in terms of available climate space. This does not take i ...
The importance of crustacean zooplankton in
... During the last few decades, abiotic factors have been recognized to be unsatisfactory in explaining the dynamics. There is increasing agreement among researchers that biotic factors are more likely to be responsible for short-term variation in plankton populations. A lot of studies have revealed th ...
... During the last few decades, abiotic factors have been recognized to be unsatisfactory in explaining the dynamics. There is increasing agreement among researchers that biotic factors are more likely to be responsible for short-term variation in plankton populations. A lot of studies have revealed th ...
Synchronous dynamics of zooplankton competitors prevail in
... that the environment may select species with similar traits, which in turn predisposes species to exhibit synchronized dynamics [1]. The extent of synchronous and compensatory dynamics in competitive communities may therefore reflect differences in the relative strength of environmental forcing and ...
... that the environment may select species with similar traits, which in turn predisposes species to exhibit synchronized dynamics [1]. The extent of synchronous and compensatory dynamics in competitive communities may therefore reflect differences in the relative strength of environmental forcing and ...
View/Open
... To help you see how biofilms are radically changing the way we understand and deal with them as they change To excite you about the prospects of the continued study of biofilms and the technologies on biofilm control and removal ...
... To help you see how biofilms are radically changing the way we understand and deal with them as they change To excite you about the prospects of the continued study of biofilms and the technologies on biofilm control and removal ...
TAKE A LOOK at the Grayling Complaint filed by WWP ()
... and aesthetic benefits from the Montana fluvial Arctic grayling’s existence in the wild. Jasper Carlton, a member of the Center’s staff and former director of the Biodiversity Legal Foundation, which was incorporated into the Center, was the primary author of the petition to list the grayling as end ...
... and aesthetic benefits from the Montana fluvial Arctic grayling’s existence in the wild. Jasper Carlton, a member of the Center’s staff and former director of the Biodiversity Legal Foundation, which was incorporated into the Center, was the primary author of the petition to list the grayling as end ...
Asymmetrical food web responses in trophic
... trophic levels also needs to be examined for a complete picture of the trophic dependence of species loss. Species generally abundant in the spring might be more sensitive to a given stress than those found during fall. Such patterns of seasonal sensitivity have been documented for zooplankton in re ...
... trophic levels also needs to be examined for a complete picture of the trophic dependence of species loss. Species generally abundant in the spring might be more sensitive to a given stress than those found during fall. Such patterns of seasonal sensitivity have been documented for zooplankton in re ...
Threatened Species Strategy for Tasmania
... remnants while others are highly restricted in distribution due to particular conditions such as an unusual rock or soil type. Such highly localised ecological communities are in a precarious position and are easily destroyed if disturbed. Loss of ecological communities may include loss of species s ...
... remnants while others are highly restricted in distribution due to particular conditions such as an unusual rock or soil type. Such highly localised ecological communities are in a precarious position and are easily destroyed if disturbed. Loss of ecological communities may include loss of species s ...
ORN_chap4
... localities within single breeding season, i.e. due to sporadic foodsupplies (e.g. Eurasian bullfinch, Common redpoll, Eurasian siskin) or because they stop and breed at two or more point on migration route (e.g. +400 km for Eurasian dotterel) ...
... localities within single breeding season, i.e. due to sporadic foodsupplies (e.g. Eurasian bullfinch, Common redpoll, Eurasian siskin) or because they stop and breed at two or more point on migration route (e.g. +400 km for Eurasian dotterel) ...
population dynamics of two species of kleptoparasitic spiders
... Nephila species. This is clearly illustrated by the following findings: 1) where there is no N. clavata (NK and IH), densities of Argyrodes declined rapidly in November when N. maculata had disappeared; but where both Nephila species were present, the density increased in November for A. flavescens ...
... Nephila species. This is clearly illustrated by the following findings: 1) where there is no N. clavata (NK and IH), densities of Argyrodes declined rapidly in November when N. maculata had disappeared; but where both Nephila species were present, the density increased in November for A. flavescens ...
The assembly and disassembly of ecological networks in a changing world
... that we are currently witnessing the sixth mass extinction in the history of the Earth. The main big challenge for ecological research that lies ahead is to understand and predict how different components of global change are affecting and will likely affect complex ecosystems. In this thesis I tack ...
... that we are currently witnessing the sixth mass extinction in the history of the Earth. The main big challenge for ecological research that lies ahead is to understand and predict how different components of global change are affecting and will likely affect complex ecosystems. In this thesis I tack ...
Coexistence under positive frequency dependence Jane Molofsky , James D. Bever
... investigating the in£uence of the strength of positive frequency dependence on long-term coexistence within a 100 100 grid. Under these conditions, we observed the phenomenon of long-term coexistence through the formation of stable bands. We ¢rst describe the phenomenon of band formation and then t ...
... investigating the in£uence of the strength of positive frequency dependence on long-term coexistence within a 100 100 grid. Under these conditions, we observed the phenomenon of long-term coexistence through the formation of stable bands. We ¢rst describe the phenomenon of band formation and then t ...
Factors controlling the upper and lower limits of the intertidal
... Conversely, the lower limits of high Corophium spp. densities did not show a consistent relation with intertidal level or duration of immersion but coincided with the upper level of hlgh ( > l 0 m-2) densities of adult lugworms Arenicola marina. In areas with sandy sedllnents (silt content < ca 15%) ...
... Conversely, the lower limits of high Corophium spp. densities did not show a consistent relation with intertidal level or duration of immersion but coincided with the upper level of hlgh ( > l 0 m-2) densities of adult lugworms Arenicola marina. In areas with sandy sedllnents (silt content < ca 15%) ...