Current Status, Distribution, and Conservation of the Burrowing Owl
... numbers and trends is critically important. Volunteer data is highly valuable to this effort. b. The efficacies of conservation measures currently in use require study to determine what works and what does not work. Currently, there is little quantitative information available on the success of vari ...
... numbers and trends is critically important. Volunteer data is highly valuable to this effort. b. The efficacies of conservation measures currently in use require study to determine what works and what does not work. Currently, there is little quantitative information available on the success of vari ...
DYNAMICS OF DRUPELLA CORNUS POPULATIONS ON KENYAN
... Porites heads (i.e. Porites luted). Summarizing D. cornus and C. neritoidea population densities over the study period 1992 to 1996 by the management or fishing intensity of the reef suggests a relationship between management and population numbers (Fig. 4). The older unprotected reefs clearly have ...
... Porites heads (i.e. Porites luted). Summarizing D. cornus and C. neritoidea population densities over the study period 1992 to 1996 by the management or fishing intensity of the reef suggests a relationship between management and population numbers (Fig. 4). The older unprotected reefs clearly have ...
The Evolutionary Ecology of Carnivorous Plants
... been taken from the roots and placed with the leaves, which in most plants function primarily as photosynthetic and thermoregulatory organs. Using a cost-benefit model, Givnish et al. (1984) concluded that an allocation tradeoff between carnivory on the one hand, and light and water capture on the o ...
... been taken from the roots and placed with the leaves, which in most plants function primarily as photosynthetic and thermoregulatory organs. Using a cost-benefit model, Givnish et al. (1984) concluded that an allocation tradeoff between carnivory on the one hand, and light and water capture on the o ...
big questions about small primates
... or is it based in biology, with some branches of the cheirogaleid tree (namely, the mouse lemurs) intrinsically more prone to evolutionary divergence? An exploration of these themes and questions is our goal in this chapter. The first genus-level phylogeny of the cheirogaleid lemurs was published by ...
... or is it based in biology, with some branches of the cheirogaleid tree (namely, the mouse lemurs) intrinsically more prone to evolutionary divergence? An exploration of these themes and questions is our goal in this chapter. The first genus-level phylogeny of the cheirogaleid lemurs was published by ...
Integrating bacteria into food webs: Studies with Sarracenia
... knowledge about the species that make up microbial food webs. Most studies focus on aggregated webs in which these organisms are treated as functional groups or ‘‘trophic species,’’ e.g., heterotrophic bacteria, phagotrophic protozoa, and so on. In worst case scenarios, the entire microbiota is aggr ...
... knowledge about the species that make up microbial food webs. Most studies focus on aggregated webs in which these organisms are treated as functional groups or ‘‘trophic species,’’ e.g., heterotrophic bacteria, phagotrophic protozoa, and so on. In worst case scenarios, the entire microbiota is aggr ...
article - Aquatic Invasions
... the heavily urbanised Port Jackson Estuary, Australia. We tested the hypotheses that there would be: (1) a difference in the proportion of C. gigas and S. glomerata among locations; (2) a greater proportion of C. gigas on artificial compared to natural substrates; (3) a greater numbers of all oyster ...
... the heavily urbanised Port Jackson Estuary, Australia. We tested the hypotheses that there would be: (1) a difference in the proportion of C. gigas and S. glomerata among locations; (2) a greater proportion of C. gigas on artificial compared to natural substrates; (3) a greater numbers of all oyster ...
Interactions between phytoplankton, zooplankton and fish in the
... functioning of the ecosystem. It is well known that the density, species composition and size distribution of phytoplankton are controlled not only by nutrient conditions, but also by the zooplankton (Sarnelle, 1993; Kivi et al., 1993). The impact of physicochemical parameters and phytozooplankton i ...
... functioning of the ecosystem. It is well known that the density, species composition and size distribution of phytoplankton are controlled not only by nutrient conditions, but also by the zooplankton (Sarnelle, 1993; Kivi et al., 1993). The impact of physicochemical parameters and phytozooplankton i ...
Body size evolution in insular vertebrates: generality of the island rule
... of insular environments. In fact, Meiri et al.’s analyses of these data reveal different patterns of variation for the three different measures, and Meiri & Dayan’s (2003, p. 331) study of a related pattern (Bergmann’s rule) found that ‘studies using body mass in mammals show the greatest tendency t ...
... of insular environments. In fact, Meiri et al.’s analyses of these data reveal different patterns of variation for the three different measures, and Meiri & Dayan’s (2003, p. 331) study of a related pattern (Bergmann’s rule) found that ‘studies using body mass in mammals show the greatest tendency t ...
Evolutionary responses to conditionality in species
... bioRxiv preprint first posted online Nov. 11, 2015; doi: http://dx.doi.org/10.1101/031195. The copyright holder for this preprint (which was not peer-reviewed) is the author/funder. It is made available under a CC-BY-NC-ND 4.0 International license. ...
... bioRxiv preprint first posted online Nov. 11, 2015; doi: http://dx.doi.org/10.1101/031195. The copyright holder for this preprint (which was not peer-reviewed) is the author/funder. It is made available under a CC-BY-NC-ND 4.0 International license. ...
Spatial dynamics of mutualistic interactions
... is between two species that differ in their mobility. The landscape is spatially structured, with several localities interconnected by dispersal of the mobile mutualist. 2. Within a given locality, an Allee effect can occur such that the per capita growth rate of the non-mobile mutualist declines wi ...
... is between two species that differ in their mobility. The landscape is spatially structured, with several localities interconnected by dispersal of the mobile mutualist. 2. Within a given locality, an Allee effect can occur such that the per capita growth rate of the non-mobile mutualist declines wi ...
Wood Thrush,Hylocichla mustelina - Registre public des espèces en
... of mature individuals? Estimated percent of continuing decline in total number of mature individuals within [5 years or 2 generations] [Observed, estimated, inferred, or suspected] percent [reduction or increase] in total number of mature individuals over the last [10 years, or 3 generations]. - Lon ...
... of mature individuals? Estimated percent of continuing decline in total number of mature individuals within [5 years or 2 generations] [Observed, estimated, inferred, or suspected] percent [reduction or increase] in total number of mature individuals over the last [10 years, or 3 generations]. - Lon ...
Effective Landscape Restoration for Native Biodiversity in Northern
... Inland Slopes and Murray Fans with smaller but significant occurrences of other bioregions, notably the Victorian Volcanic Plain, Murray Scroll Belt, Rob invale Plains and Cen tral Victorian Uplands. The predominant broad vegetation types across the region are temperate woodlands and grasslands, giv ...
... Inland Slopes and Murray Fans with smaller but significant occurrences of other bioregions, notably the Victorian Volcanic Plain, Murray Scroll Belt, Rob invale Plains and Cen tral Victorian Uplands. The predominant broad vegetation types across the region are temperate woodlands and grasslands, giv ...
Mesopredator Release and Prey Abundance: Reply to Litvaitis
... two centuries ago. However, decline or extinction of other potential intraguild predators of foxes and raccoons should also have been considered before speculating on the subject. For example, foxes and raccoons could be killed by coyotes (RaIls & White 1995). FinalLy, Litvaitis and Villafuerte beli ...
... two centuries ago. However, decline or extinction of other potential intraguild predators of foxes and raccoons should also have been considered before speculating on the subject. For example, foxes and raccoons could be killed by coyotes (RaIls & White 1995). FinalLy, Litvaitis and Villafuerte beli ...
The amphibian decline crisis: A watershed for conservation
... of reliable data. Research into amphibian declines has focused on: (1) documentation at the landscape or population level; and (2) observational and experimental work on potential causes of declines. Although loss of habitat is known to have impacted amphibians for decades, recent research has focus ...
... of reliable data. Research into amphibian declines has focused on: (1) documentation at the landscape or population level; and (2) observational and experimental work on potential causes of declines. Although loss of habitat is known to have impacted amphibians for decades, recent research has focus ...
List of Tables
... Ntopate, Manda Toto, Manda Maweni and Ngoi. Nine out of the twelve seagrass species found in Kenya were encountered. The dominant seagrass species T. ciliatum was found to occur in deeper subtidal areas while the pioneering species occurred in intertidal shallower areas. Average shoot densities per ...
... Ntopate, Manda Toto, Manda Maweni and Ngoi. Nine out of the twelve seagrass species found in Kenya were encountered. The dominant seagrass species T. ciliatum was found to occur in deeper subtidal areas while the pioneering species occurred in intertidal shallower areas. Average shoot densities per ...
- DiscardLess
... Given the selective properties of all fishing gears, a harvest that is targeting all components can only be achieved by a range of different gears that are flexibly employed in time and space over the available habitats. Given also our history, theory, legislation and natural preferences for certain ...
... Given the selective properties of all fishing gears, a harvest that is targeting all components can only be achieved by a range of different gears that are flexibly employed in time and space over the available habitats. Given also our history, theory, legislation and natural preferences for certain ...
Leptodora kindtii population dynamics in the island region of
... of both species. The native predaceous crustacean zooplankter Leptodora kindtii shares a similar niche with the invasive Bythotrephes longimanus in Lake Erie. This niche overlap may contribute to the decline in abundance, and production of L. kindtii in the Western Basin of Lake Erie. Historical (19 ...
... of both species. The native predaceous crustacean zooplankter Leptodora kindtii shares a similar niche with the invasive Bythotrephes longimanus in Lake Erie. This niche overlap may contribute to the decline in abundance, and production of L. kindtii in the Western Basin of Lake Erie. Historical (19 ...
Distribution patterns of five zoanthid species in Okinawa Island, Japan
... like P. tuberculosa with tightly joined polyps, the other 4 species in this study and particularly P. mutuki had thinner coenenchymes and less densely packed polyps, and this may have enhanced colony diameter sizes. However, this likely did not affect the results of this study since colony size cate ...
... like P. tuberculosa with tightly joined polyps, the other 4 species in this study and particularly P. mutuki had thinner coenenchymes and less densely packed polyps, and this may have enhanced colony diameter sizes. However, this likely did not affect the results of this study since colony size cate ...
1 - SANParks
... 3.2.1 LANDSCAPE-LEVEL PROCESSES Pressey et al. (in press) and Rouget et al. (in press) identified spatial components to serve as surrogates of ecological and evolutionary processes in a conservation planning exercise in the Cape Floristic Region (CAPE). Their work was used as the starting point for ...
... 3.2.1 LANDSCAPE-LEVEL PROCESSES Pressey et al. (in press) and Rouget et al. (in press) identified spatial components to serve as surrogates of ecological and evolutionary processes in a conservation planning exercise in the Cape Floristic Region (CAPE). Their work was used as the starting point for ...
Analyzing ecological networks of species interactions
... ranging from the species-level to the community-level (Poisot et al. 2016d). Applying network approaches to a variety of ecological systems, for example hosts and parasites (Poulin 2010), or bacteria and phage (Weitz et al. 2013), yields new methodological and biological insights, such as the observ ...
... ranging from the species-level to the community-level (Poisot et al. 2016d). Applying network approaches to a variety of ecological systems, for example hosts and parasites (Poulin 2010), or bacteria and phage (Weitz et al. 2013), yields new methodological and biological insights, such as the observ ...
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 ...
MB_20_win
... Multiple Choice, continued 1. A certain tropical tree has a fruit that is eaten by only one species of bats. As the bat digests the fruit, the seeds are made ready to sprout. When the bat excretes the wastes of the fruit, it drops seeds in new locations. Which of the following is the correct term fo ...
... Multiple Choice, continued 1. A certain tropical tree has a fruit that is eaten by only one species of bats. As the bat digests the fruit, the seeds are made ready to sprout. When the bat excretes the wastes of the fruit, it drops seeds in new locations. Which of the following is the correct term fo ...
EN EN EXPLANATORY MEMORANDUM 1. CONTEXT OF THE
... ecosystem services, especially in geographically and evolutionary isolated ecosystems, such as small islands, and the risks such species pose may be greater due to increased global trade, transport, tourism and climate change. ...
... ecosystem services, especially in geographically and evolutionary isolated ecosystems, such as small islands, and the risks such species pose may be greater due to increased global trade, transport, tourism and climate change. ...
Management Plan for the McCown`s Longspur in Canada
... There is no historical data on McCown’s Longspur population abundance but due to the drastic reduction of the breeding range across North America the population has been reported to have declined from the turn of the century, especially from 1905-1930 (Stewart 1975; Sedwick 2004). Similar declines w ...
... There is no historical data on McCown’s Longspur population abundance but due to the drastic reduction of the breeding range across North America the population has been reported to have declined from the turn of the century, especially from 1905-1930 (Stewart 1975; Sedwick 2004). Similar declines w ...
Conference Abstracts - The Australian Mammal Society
... commodity and show how it is broadly applicable, but under-appreciated as a tool. As a species attribute, behavioral flexibility is often associated with generalists and recognized often as a characteristic of invasive species, urban adapters, and resilience. As an individual attribute, behavioral f ...
... commodity and show how it is broadly applicable, but under-appreciated as a tool. As a species attribute, behavioral flexibility is often associated with generalists and recognized often as a characteristic of invasive species, urban adapters, and resilience. As an individual attribute, behavioral f ...