Invasive Plants of California's Wildland Acknowledgements The editors wish to acknowledge
... The heart of this book is the species accounts, which provide detailed information about the biology and control of seventy-eight non-native plant species that are listed as Exotic Invasive Plants of Greatest Ecological Concern as of 1996 by the California Exotic Pest Plant Council (Cal-IPC). We dec ...
... The heart of this book is the species accounts, which provide detailed information about the biology and control of seventy-eight non-native plant species that are listed as Exotic Invasive Plants of Greatest Ecological Concern as of 1996 by the California Exotic Pest Plant Council (Cal-IPC). We dec ...
Biodiversity and teaching - Bertrand Pajot
... A true pedagogical subject for the different sort of the projects and activities to do Personal and/or group works Inside and/or outside the school In partnership with scientific structures or associations Enrolled in a project approach ...
... A true pedagogical subject for the different sort of the projects and activities to do Personal and/or group works Inside and/or outside the school In partnership with scientific structures or associations Enrolled in a project approach ...
giant garter snake - Solano County Water Agency
... may have value to giant garter snakes as nursery areas, because female snakes used this habitat primarily during the period when they were incubating and giving birth to their young. In addition, there were fewer aquatic predators in rice fields (apparently due to extensive vegetative cover) than in ...
... may have value to giant garter snakes as nursery areas, because female snakes used this habitat primarily during the period when they were incubating and giving birth to their young. In addition, there were fewer aquatic predators in rice fields (apparently due to extensive vegetative cover) than in ...
Direct and Indirect Effects of White
... sites that have high deer densities support more similar vegetation communities than do sites with no deer grazing (Rooney 2009; Rooney et al. 2004; BegleyMiller et al. 2014). Deer engineer the forest vegetation community through selective feeding. These direct manipulations of the vegetation commu ...
... sites that have high deer densities support more similar vegetation communities than do sites with no deer grazing (Rooney 2009; Rooney et al. 2004; BegleyMiller et al. 2014). Deer engineer the forest vegetation community through selective feeding. These direct manipulations of the vegetation commu ...
ecosystem adaptation: do ecosystems maximize
... that, in common with their physical counterparts such as hurricanes and Bénard cells, utilize energy fluxes from external sources to maintain organization (Prigogine and Stengers 1984, Toussaint and Schneider 1998). Reviews of the current state of thermodynamics relating to ecology can be found in ...
... that, in common with their physical counterparts such as hurricanes and Bénard cells, utilize energy fluxes from external sources to maintain organization (Prigogine and Stengers 1984, Toussaint and Schneider 1998). Reviews of the current state of thermodynamics relating to ecology can be found in ...
Do changes in berry crops drive population fluctuations in small C
... maniculatus 13%, with the remaining 23% being Microtus spp. (C. J. Krebs, pers. obs.). Hereafter, for brevity we use Myodes for M. rutilus and Peromyscus for P. maniculatus. The key variable that affects population trends in these Yukon small rodents is overwinter survival (Gilbert and Krebs 1991), ...
... maniculatus 13%, with the remaining 23% being Microtus spp. (C. J. Krebs, pers. obs.). Hereafter, for brevity we use Myodes for M. rutilus and Peromyscus for P. maniculatus. The key variable that affects population trends in these Yukon small rodents is overwinter survival (Gilbert and Krebs 1991), ...
Invasive species control
... who are part of their own social group (Ungar 2000). The leaders of local community groups may therefore have more immediate credibility than scientists. If the views of “rank-and-file” members of community groups reflect the opinions of their leaders, what shapes the views of those leaders? Althoug ...
... who are part of their own social group (Ungar 2000). The leaders of local community groups may therefore have more immediate credibility than scientists. If the views of “rank-and-file” members of community groups reflect the opinions of their leaders, what shapes the views of those leaders? Althoug ...
Wolverine - Saskatchewan Conservation Data Centre
... Figure 3. Wolverine distribution in Saskatchewan (SKCDC 2011). ............................................................................ 3 Figure 4. Wolverine kit. ..................................................................................................................................... ...
... Figure 3. Wolverine distribution in Saskatchewan (SKCDC 2011). ............................................................................ 3 Figure 4. Wolverine kit. ..................................................................................................................................... ...
Scientific Program
... the tropical world. The ant is an Ectatomma ruidum which I chose because of its role in numerous ant-plant interactions, from plant defense to seed dispersal. The lemurid is a fat-tailed dwarf lemur (Cheirogaleus medius) chosen to represent the biota of Madagascar. Orchids are pan-tropical in their ...
... the tropical world. The ant is an Ectatomma ruidum which I chose because of its role in numerous ant-plant interactions, from plant defense to seed dispersal. The lemurid is a fat-tailed dwarf lemur (Cheirogaleus medius) chosen to represent the biota of Madagascar. Orchids are pan-tropical in their ...
scale-dependent responses of plant biodiversity to nitrogen
... Abstract. Experimental studies demonstrating that nitrogen (N) enrichment reduces plant diversity within individual plots have led to the conclusion that anthropogenic N enrichment is a threat to global biodiversity. These conclusions overlook the influence of spatial scale, however, as N enrichment ...
... Abstract. Experimental studies demonstrating that nitrogen (N) enrichment reduces plant diversity within individual plots have led to the conclusion that anthropogenic N enrichment is a threat to global biodiversity. These conclusions overlook the influence of spatial scale, however, as N enrichment ...
Your essential guide to grouse shooting and moorland management
... burning is carried out for livestock grazing on moorland, as well as in other environments. A recent study of land use in Scotland looked at 26 estates and found that heather burning occurred on 23 of these, although grouse shooting was only the main land use on 10. The others stated their predomina ...
... burning is carried out for livestock grazing on moorland, as well as in other environments. A recent study of land use in Scotland looked at 26 estates and found that heather burning occurred on 23 of these, although grouse shooting was only the main land use on 10. The others stated their predomina ...
Existing and proposed PAS recovery and threat abatement
... koalas in a range of habitats in relation to a range of issues such as fire, drought, dogs, cars, habitat fragmentation, and climate change. Analyse community-based survey data on koala distribution in NSW in relation to features such as habitat, tenures, catchment management authority and bioregion ...
... koalas in a range of habitats in relation to a range of issues such as fire, drought, dogs, cars, habitat fragmentation, and climate change. Analyse community-based survey data on koala distribution in NSW in relation to features such as habitat, tenures, catchment management authority and bioregion ...
Non-Consumptive Effects of Spiders and Ants: Does Fear
... but also on other predators. Juvenile spiders increased their propensity for long-distance dispersal if exposed to ant cues. Thus, spiders use this passive dispersal through the air (ballooning) to avoid ants and colonise new habitats. In a field experiment, we compared arthropod colonisation betwee ...
... but also on other predators. Juvenile spiders increased their propensity for long-distance dispersal if exposed to ant cues. Thus, spiders use this passive dispersal through the air (ballooning) to avoid ants and colonise new habitats. In a field experiment, we compared arthropod colonisation betwee ...
Tarheel Wildlife - CROWN! Charlotte Reconnecting Ourselves With
... We are blessed in North Carolina with a rich assemblage of wild animals and wildlife habitats from the heights of Mount Mitchell to the sandy beaches of Cape Hatteras. Approximately 90 percent of our 31 million acres of land is privately owned. Private land ownership and the ability to determine the ...
... We are blessed in North Carolina with a rich assemblage of wild animals and wildlife habitats from the heights of Mount Mitchell to the sandy beaches of Cape Hatteras. Approximately 90 percent of our 31 million acres of land is privately owned. Private land ownership and the ability to determine the ...
Forest adaptation resources - Northern Research Station
... balsam fir, white spruce, paper birch, and quaking aspen, are projected to decline as their suitable habitat decreases in quality and extent. ...
... balsam fir, white spruce, paper birch, and quaking aspen, are projected to decline as their suitable habitat decreases in quality and extent. ...
Feeding Selectivity and Habitat Usage of Esox americanus
... abundance and distributional patterns of prey, as well as morphological and behavioral characteristics of both the predator (e.g., gape limitation, foraging strategy) and prey (e.g., defense and escape mechanisms, microhabitat selection). ...
... abundance and distributional patterns of prey, as well as morphological and behavioral characteristics of both the predator (e.g., gape limitation, foraging strategy) and prey (e.g., defense and escape mechanisms, microhabitat selection). ...
Effects of biodiversity on ecosystem stability: distinguishing between
... also because of the consequences for the goods and services provided by natural ecosystems. Consequently, ecologists have focused for decades on testing the idea that systems with more species are more stable. The results, however, have been complex and inconsistent. In particular, it is still uncle ...
... also because of the consequences for the goods and services provided by natural ecosystems. Consequently, ecologists have focused for decades on testing the idea that systems with more species are more stable. The results, however, have been complex and inconsistent. In particular, it is still uncle ...
Carrion cycling in food webs: comparisons among terrestrial and
... Spatial dynamics of carrion resources The primary differences in the cycling of carrion resources between terrestrial and aquatic ecosystems are directly attributable to emergent properties of water and air. The higher relative density of water and the three-dimensional nature of aquatic ecosystems ...
... Spatial dynamics of carrion resources The primary differences in the cycling of carrion resources between terrestrial and aquatic ecosystems are directly attributable to emergent properties of water and air. The higher relative density of water and the three-dimensional nature of aquatic ecosystems ...
Evolutionary ecology of mountain birch in subarctic stress gradients
... Ever since Charles Darwin coined his famous evolutionary theory in The Origin of Species, and even earlier (Darwin 1859; Singer 1951), interactions between individual organisms have been considered to be of fundamental importance in nature, and through their effect on fecundity and survival also a c ...
... Ever since Charles Darwin coined his famous evolutionary theory in The Origin of Species, and even earlier (Darwin 1859; Singer 1951), interactions between individual organisms have been considered to be of fundamental importance in nature, and through their effect on fecundity and survival also a c ...
Full Text - Cedar Creek Ecosystem Science Reserve
... for herbivores. Results and Discussion Threshold approach. Increasing species richness generally raised the number of functions performing above a threshold, regardless of how many functions were measured (Fig. 2 and Supplementary Fig. 1). In the case of 12 functions—the maximum number from any stud ...
... for herbivores. Results and Discussion Threshold approach. Increasing species richness generally raised the number of functions performing above a threshold, regardless of how many functions were measured (Fig. 2 and Supplementary Fig. 1). In the case of 12 functions—the maximum number from any stud ...
Factors influencing seedling recruitment in a critically endangered
... climate change and habitat destruction. Species that are unable to colonize new sites or adapt to changing environmental conditions will eventually become extinct. This problem is particularly acute for endangered, long-lived perennial plants that maintain populations primarily through vegetative re ...
... climate change and habitat destruction. Species that are unable to colonize new sites or adapt to changing environmental conditions will eventually become extinct. This problem is particularly acute for endangered, long-lived perennial plants that maintain populations primarily through vegetative re ...
A comparison of whole-community and ecosystem approaches
... examine depends on many factors. For example, one's choice is strongly influenced by the availability of data, their training, working conditions and sociocultural milieu. The same factors affect the temporal and spatial scales with which an investigator observes ecosystem development. Therefore, on ...
... examine depends on many factors. For example, one's choice is strongly influenced by the availability of data, their training, working conditions and sociocultural milieu. The same factors affect the temporal and spatial scales with which an investigator observes ecosystem development. Therefore, on ...
detailed description - University of Victoria
... Lacandon community and as a source of information to guide conservation, land management and restoration efforts in the Selva Lacandona. To this end, the Lacandon ecology project aims to: create an ethnobiological inventory that consolidates and expands research on the domains of Lacandon ethno-bo ...
... Lacandon community and as a source of information to guide conservation, land management and restoration efforts in the Selva Lacandona. To this end, the Lacandon ecology project aims to: create an ethnobiological inventory that consolidates and expands research on the domains of Lacandon ethno-bo ...
Carcasses provide resources not exclusively to scavengers: patterns
... Abstract. Carrion provides energy transfer to food webs as a primary trophic resource for many taxa. Ecological relationships around this pulsed resource are highly complex and are influenced by many factors, including those related to its availability and the management of carcasses by humans. In r ...
... Abstract. Carrion provides energy transfer to food webs as a primary trophic resource for many taxa. Ecological relationships around this pulsed resource are highly complex and are influenced by many factors, including those related to its availability and the management of carcasses by humans. In r ...
Biological Dynamics of Forest Fragments Project
The Biological Dynamics of Forest Fragments Project, originally called the Minimum Critical Size of Ecosystems Project is a large-scale ecological experiment looking at the effects of habitat fragmentation on tropical rainforest; it is one of the most expensive biology experiments ever run. The experiment, which was established in 1979 is located near Manaus, in the Brazilian Amazon. The project is jointly managed by the Smithsonian Institution and INPA, the Brazilian Institute for Research in the Amazon.The project was initiated in 1979 by Thomas Lovejoy to investigate the SLOSS debate. Initially named the Minimum Critical Size of Ecosystems Project, the project created forest fragments of sizes 1 hectare (2 acres), 10 hectares (25 acres), and 100 hectares (247 acres). Data were collected prior to the creation of the fragments and studies of the effects of fragmentation now exceed 25 years.As of October 2010 562 publications and 143 graduate dissertations and theses had emerged from the project.