Ecological Differentiation in a Hybridizing Cryptic Species Complex By Patrick William Turko
... throughout much of North America, and are considered a cryptic species complex due to their lack of phylogenetically informative morphological characters. They appear to have no biological mating barriers: hybrids may dominate or coexist with either or both parental species, and are sexually compete ...
... throughout much of North America, and are considered a cryptic species complex due to their lack of phylogenetically informative morphological characters. They appear to have no biological mating barriers: hybrids may dominate or coexist with either or both parental species, and are sexually compete ...
Status of Whooping Crane in Alberta 2001
... Fisheries and Wildlife Management Division of Alberta Environment, and are intended to provide detailed and up-to-date information which will be useful to resource professionals for managing populations of species and their habitats in the province. The reports are also designed to provide current i ...
... Fisheries and Wildlife Management Division of Alberta Environment, and are intended to provide detailed and up-to-date information which will be useful to resource professionals for managing populations of species and their habitats in the province. The reports are also designed to provide current i ...
Status of the Whooping Crane in Alberta
... Fisheries and Wildlife Management Division of Alberta Environment, and are intended to provide detailed and up-to-date information which will be useful to resource professionals for managing populations of species and their habitats in the province. The reports are also designed to provide current i ...
... Fisheries and Wildlife Management Division of Alberta Environment, and are intended to provide detailed and up-to-date information which will be useful to resource professionals for managing populations of species and their habitats in the province. The reports are also designed to provide current i ...
Study Guide
... to Summerland Beach to catch a glimpse of the Fairy Penguins (as they were once known) by moon and torch light. ...
... to Summerland Beach to catch a glimpse of the Fairy Penguins (as they were once known) by moon and torch light. ...
Nevada Wildlife Action Plan - Nevada Department of Wildlife
... sandy or gravelly and are often easy to dig. Blow sand tends to accumulate around the shrubby bases of the saltbushes, particularly shadscale. This creates hummocks of soil that lend themselves to burrowing and denning. The two most dependable herbivorous food staples are ricegrass and shadscale see ...
... sandy or gravelly and are often easy to dig. Blow sand tends to accumulate around the shrubby bases of the saltbushes, particularly shadscale. This creates hummocks of soil that lend themselves to burrowing and denning. The two most dependable herbivorous food staples are ricegrass and shadscale see ...
Streaked horned lark habitat selection and restoration, by Scott F
... Restoring Vegetation Composition and Structure: How do you restore an entire community? What should be the genetic considerations? How to deal with invasive species and introduce natives? To reduce invasive species, soils and prior land-use activities must be taken into account. Restoring Fauna: It ...
... Restoring Vegetation Composition and Structure: How do you restore an entire community? What should be the genetic considerations? How to deal with invasive species and introduce natives? To reduce invasive species, soils and prior land-use activities must be taken into account. Restoring Fauna: It ...
Slugs Snails:
... be used as a location for baits. Slugs and snails to identifying that they are the villain that the areas where slugs hide during the day. will be attracted to these areas, increasing the chewed holes in your plants the night before. Anything that is sitting on the ground is a possiprobability of th ...
... be used as a location for baits. Slugs and snails to identifying that they are the villain that the areas where slugs hide during the day. will be attracted to these areas, increasing the chewed holes in your plants the night before. Anything that is sitting on the ground is a possiprobability of th ...
Pest Management Strategy - Office of Environment and Heritage
... The control of pests outside of parks is the responsibility of private landholders and other agencies such as rural lands protection boards, local councils, the Department of Primary Industries and the Department of Lands. The NSW Invasive Species Plan provides the framework for the coordinated mana ...
... The control of pests outside of parks is the responsibility of private landholders and other agencies such as rural lands protection boards, local councils, the Department of Primary Industries and the Department of Lands. The NSW Invasive Species Plan provides the framework for the coordinated mana ...
The impact of herbicides on weed abundance and biodiversity PN0940
... In considering non-target plants within arable fields, the majority of plant species that are found are of only minor concern to farmers, unless present at high population density. Under horticultural conditions, it can be argued that all weeds are targets, providing some difficulty for formal risk ...
... In considering non-target plants within arable fields, the majority of plant species that are found are of only minor concern to farmers, unless present at high population density. Under horticultural conditions, it can be argued that all weeds are targets, providing some difficulty for formal risk ...
The rapid spread of rusty crayfish (Orconectes rusticus) with
... over the last 40–50 years from its historical range in the Ohio River drainage, to waters throughout much of Illinois, Michigan, Wisconsin, and Minnesota and parts of 11 other states, Ontario and the Laurentian Great Lakes (Hobbs et al. 1989; Lodge et al. 2000a). The invasion dynamics of rusty crayfi ...
... over the last 40–50 years from its historical range in the Ohio River drainage, to waters throughout much of Illinois, Michigan, Wisconsin, and Minnesota and parts of 11 other states, Ontario and the Laurentian Great Lakes (Hobbs et al. 1989; Lodge et al. 2000a). The invasion dynamics of rusty crayfi ...
Herbivore associated elicitor-induced defences are highly specific
... HAEs. The specific responses to different HAEs in Nicotiana species are likely due to the perception by the plant of each specific component of the HAE. 2) One HAE can induce different defence responses among closely related Nicotiana species. OSMs and C18:3-Glu induced JA and TPI accumulations in N ...
... HAEs. The specific responses to different HAEs in Nicotiana species are likely due to the perception by the plant of each specific component of the HAE. 2) One HAE can induce different defence responses among closely related Nicotiana species. OSMs and C18:3-Glu induced JA and TPI accumulations in N ...
Ecosystem engineering and biodiversity in coastal sediments
... with facilitation generally being due to ecosystem engineering species (Bruno et al. 2003). Whilst Hacker and Gaines (1997) emphasised the positive eVect that facilitation by ecosystem engineers can have on community diversity in stressful environments, more recent studies indicate that ecosystem en ...
... with facilitation generally being due to ecosystem engineering species (Bruno et al. 2003). Whilst Hacker and Gaines (1997) emphasised the positive eVect that facilitation by ecosystem engineers can have on community diversity in stressful environments, more recent studies indicate that ecosystem en ...
European red fox
... access by native non-target species. This is particularly important in areas containing native carnivores such as quolls. A fox’s keen sense of smell enables it to find baits intentionally buried or otherwise hidden. ...
... access by native non-target species. This is particularly important in areas containing native carnivores such as quolls. A fox’s keen sense of smell enables it to find baits intentionally buried or otherwise hidden. ...
. American Mink, Neovison vison Overview Overview table Invasion
... The first GB imports of American mink to fur farms were in 1929. Escapes were soon being reported and the first record from the wild was 1948 but the first breeding in the wild was not confirmed until 1956. ...
... The first GB imports of American mink to fur farms were in 1929. Escapes were soon being reported and the first record from the wild was 1948 but the first breeding in the wild was not confirmed until 1956. ...
Biological Control Through Intraguild Predation
... coexistence; or a priority effect (single species equilibria dependent on initial conditions). When the resource is also explicitly modelled and included in the Type I predator–prey system (Holt and Polis, 1997; Diehl and Feißel, 2000; Diehl, 2003), the outcome is dependent on the productivity of th ...
... coexistence; or a priority effect (single species equilibria dependent on initial conditions). When the resource is also explicitly modelled and included in the Type I predator–prey system (Holt and Polis, 1997; Diehl and Feißel, 2000; Diehl, 2003), the outcome is dependent on the productivity of th ...
stc5_12_ssap_btg_0
... Wymenga 2000, Teunissen et al. 2004). The present annual decline is estimated at c. 5% on a national scale (Teunissen & Soldaat 2006), resulting in a current population of c. 55,000 pairs (SOVON, W. Teunissen pers. com.). This number may even be lower, as in Fryslân, where half of the Dutch populati ...
... Wymenga 2000, Teunissen et al. 2004). The present annual decline is estimated at c. 5% on a national scale (Teunissen & Soldaat 2006), resulting in a current population of c. 55,000 pairs (SOVON, W. Teunissen pers. com.). This number may even be lower, as in Fryslân, where half of the Dutch populati ...
Bust economics: foragers choose high quality habitats in
... Two interview chambers were constructed in concordance with Bleicher (2014). Each chamber was constructed from a 30 cm diameter bucket (as a nest box) attached by 5 cm diameter, 30 cm long PVC tubing to three black plastic storage bins (rooms) 66 × 45 × 27 cm high (Appendix S2). Each room was equipp ...
... Two interview chambers were constructed in concordance with Bleicher (2014). Each chamber was constructed from a 30 cm diameter bucket (as a nest box) attached by 5 cm diameter, 30 cm long PVC tubing to three black plastic storage bins (rooms) 66 × 45 × 27 cm high (Appendix S2). Each room was equipp ...
Stemming the tide
... higher rainfall coastal regions. Some small isolated areas appear to have retained their mammal species, as have many islands which remain critical refuges. There is now some compelling evidence that predation by feral cats is implicated in the observed decline, with those impacts likely to be exace ...
... higher rainfall coastal regions. Some small isolated areas appear to have retained their mammal species, as have many islands which remain critical refuges. There is now some compelling evidence that predation by feral cats is implicated in the observed decline, with those impacts likely to be exace ...
CALIFORNIA`S PRAIRIES AND GRASSLANDS CALIFORNIA`S
... NATIVE BEES AND FLOWERS IN CALIFORNIA PRAIRIES AND GRASSLANDS by Robbin Thorp ................ 40 Remnants of once extensive California grasslands and embedded vernal pool ecosystems are home for many species of important pollinators, our native bees. RESTORING CALIFORNIA’S INLAND GRASSLANDS: DON’T ...
... NATIVE BEES AND FLOWERS IN CALIFORNIA PRAIRIES AND GRASSLANDS by Robbin Thorp ................ 40 Remnants of once extensive California grasslands and embedded vernal pool ecosystems are home for many species of important pollinators, our native bees. RESTORING CALIFORNIA’S INLAND GRASSLANDS: DON’T ...
Invasive alien species in Switzerland
... in fact many species are beneficial for humans, e.g. most crop species. However, some alien species have become harmful, and pose threats to the environment and humans. Invasive alien species (IAS) are increasingly recognized as one of the major threats to biodiversity. All signatories to the Conven ...
... in fact many species are beneficial for humans, e.g. most crop species. However, some alien species have become harmful, and pose threats to the environment and humans. Invasive alien species (IAS) are increasingly recognized as one of the major threats to biodiversity. All signatories to the Conven ...
Predator interactions, mesopredator release and biodiversity
... There is growing recognition of the important roles played by predators in regulating ecosystems and sustaining biodiversity. Much attention has focused on the consequences of predator-regulation of herbivore populations, and associated trophic cascades. However apex predators may also control small ...
... There is growing recognition of the important roles played by predators in regulating ecosystems and sustaining biodiversity. Much attention has focused on the consequences of predator-regulation of herbivore populations, and associated trophic cascades. However apex predators may also control small ...
Restoration of intertidal flats and tidal salt marshes
... area of tidal salt marshes and intertidal mudflats or brackish lagoons. As a result the basal peat layer was covered by marine sediments, before the area became totally submerged. This transgressive process continued until the mid-Holocene, after which the coastline stabilized more or less at its pr ...
... area of tidal salt marshes and intertidal mudflats or brackish lagoons. As a result the basal peat layer was covered by marine sediments, before the area became totally submerged. This transgressive process continued until the mid-Holocene, after which the coastline stabilized more or less at its pr ...
Predator interactions, mesopredator release and biodiversity
... There is growing recognition of the important roles played by predators in regulating ecosystems and sustaining biodiversity. Much attention has focused on the consequences of predator-regulation of herbivore populations, and associated trophic cascades. However apex predators may also control small ...
... There is growing recognition of the important roles played by predators in regulating ecosystems and sustaining biodiversity. Much attention has focused on the consequences of predator-regulation of herbivore populations, and associated trophic cascades. However apex predators may also control small ...
REV_ISS_WEB_JPE_12709_53-6 1823..1830
... Egg clutches were collected after 8 days, and the number of predated eggs was recorded. This method for estimating egg predation is well developed within this system, and gives trustworthy estimates on egg mortality caused by predation as well as an indication of overall predation rate (Bj€ ...
... Egg clutches were collected after 8 days, and the number of predated eggs was recorded. This method for estimating egg predation is well developed within this system, and gives trustworthy estimates on egg mortality caused by predation as well as an indication of overall predation rate (Bj€ ...
Island restoration
The ecological restoration of islands, or island restoration, is the application of the principles of ecological restoration to islands and island groups. Islands, due to their isolation, are home to many of the world's endemic species, as well as important breeding grounds for seabirds and some marine mammals. Their ecosystems are also very vulnerable to human disturbance and particularly to introduced species, due to their small size. Island groups such as New Zealand and Hawaii have undergone substantial extinctions and losses of habitat. Since the 1950s several organisations and government agencies around the world have worked to restore islands to their original states; New Zealand has used them to hold natural populations of species that would otherwise be unable to survive in the wild. The principal components of island restoration are the removal of introduced species and the reintroduction of native species.