Broadleaved Trees - Ministry of Forests, Lands and Natural
... heavy equipment), or by herbicides. and remain present in B.C.’s managed conifer forests. Several broadleaved species are included in new Pulpwood Management Agreements. The harvest for pulpwood could significantly alter broadleaved ecosystems and substantially reduce the size of area occupied by ol ...
... heavy equipment), or by herbicides. and remain present in B.C.’s managed conifer forests. Several broadleaved species are included in new Pulpwood Management Agreements. The harvest for pulpwood could significantly alter broadleaved ecosystems and substantially reduce the size of area occupied by ol ...
Bio 4.3
... communities are not uniform. Often, they have areas in varying stages of secondary succession, especially following multiple disturbances that took place at different times. Some climax communities are disturbed so often that they can’t really be called stable. ...
... communities are not uniform. Often, they have areas in varying stages of secondary succession, especially following multiple disturbances that took place at different times. Some climax communities are disturbed so often that they can’t really be called stable. ...
Fabaceae total N input into these systems ( Woodmansee et al.,... (N) cycle of terrestrial ecosystems: they are often a signifi...
... Growing conditions—Plants were grown in controlled-environment chambers (Conviron, Winnipeg, Canada) under a 12-h photoperiod at two different day/night temperature regimes: 25/20°C (low) or 28/23°C (high). Two chambers were used for each temperature regime to ensure that temperature differences wer ...
... Growing conditions—Plants were grown in controlled-environment chambers (Conviron, Winnipeg, Canada) under a 12-h photoperiod at two different day/night temperature regimes: 25/20°C (low) or 28/23°C (high). Two chambers were used for each temperature regime to ensure that temperature differences wer ...
Nest Predation and Brood Parasitism in Fragmented Ecosystems
... The same four open-cup nesting species were most common on both river systems: Yellow Warbler (Dendroica petechia), American Robin (Turdus migratorius), Black-headed Grosebeak (Pheucticus melanocephalus), and Cedar Waxwing (Bombycilla cedrorum). We tested our three conceptual models of nest predatio ...
... The same four open-cup nesting species were most common on both river systems: Yellow Warbler (Dendroica petechia), American Robin (Turdus migratorius), Black-headed Grosebeak (Pheucticus melanocephalus), and Cedar Waxwing (Bombycilla cedrorum). We tested our three conceptual models of nest predatio ...
Interaction strengths in food webs
... 1. Recent efforts to understand how the patterning of interaction strength affects both structure and dynamics in food webs have highlighted several obstacles to productive synthesis. Issues arise with respect to goals and driving questions, methods and approaches, and placing results in the context ...
... 1. Recent efforts to understand how the patterning of interaction strength affects both structure and dynamics in food webs have highlighted several obstacles to productive synthesis. Issues arise with respect to goals and driving questions, methods and approaches, and placing results in the context ...
Population Viability Analysis Annual Review of Ecology and
... Usually, conclusions from stochastic models in ecology are strikingly different from deterministic ones (26). This is generally true because of (i) large variances, (ii) nonlinear functions, and (iii) highly skewed or otherwise non-normally distributed variables. The significance of high variance is ...
... Usually, conclusions from stochastic models in ecology are strikingly different from deterministic ones (26). This is generally true because of (i) large variances, (ii) nonlinear functions, and (iii) highly skewed or otherwise non-normally distributed variables. The significance of high variance is ...
Interaction strengths in food webs - Centre for Biodiversity Theory
... 1. Recent efforts to understand how the patterning of interaction strength affects both structure and dynamics in food webs have highlighted several obstacles to productive synthesis. Issues arise with respect to goals and driving questions, methods and approaches, and placing results in the context ...
... 1. Recent efforts to understand how the patterning of interaction strength affects both structure and dynamics in food webs have highlighted several obstacles to productive synthesis. Issues arise with respect to goals and driving questions, methods and approaches, and placing results in the context ...
Living on the Edge of Two Changing Worlds: Forecasting the
... past and future responses to climate change? We highlight the importance of studies encompassing multiple spatial and temporal scales for the detection and quantification of biological responses to climatic shifts (Denny et al. 2004, Helmuth et al. 2002, Holtmeier & Broll 2005), emphasizing the neces ...
... past and future responses to climate change? We highlight the importance of studies encompassing multiple spatial and temporal scales for the detection and quantification of biological responses to climatic shifts (Denny et al. 2004, Helmuth et al. 2002, Holtmeier & Broll 2005), emphasizing the neces ...
What controls who is where in freshwater fish communities — the
... 1998). However, prior to this summary, we must address the ways of classifying fish communities and whether communities represent anything other than random sets of species sampled at particular locations and times. If they do not, then further analysis may be a fruitless exercise. Our second goal i ...
... 1998). However, prior to this summary, we must address the ways of classifying fish communities and whether communities represent anything other than random sets of species sampled at particular locations and times. If they do not, then further analysis may be a fruitless exercise. Our second goal i ...
Important Habitats in the Lower Casco Bay Watershed
... habitats in the area. This report focuses on the latter aspect, offering maps of known and likely habitats for an assortment of species and species groups significant in the Gulf of Maine, and particularly in Casco Bay. The final chapter lists funding opportunities which local conservation interests ...
... habitats in the area. This report focuses on the latter aspect, offering maps of known and likely habitats for an assortment of species and species groups significant in the Gulf of Maine, and particularly in Casco Bay. The final chapter lists funding opportunities which local conservation interests ...
Omnivore Population Dynamics and Trophic Behavior
... understanding of omnivory as a stabilizing feature of food-webs, but can also be applied in management for conservation biological control. This thesis investigates how plant nutrient status influence heteropteran omnivore population dynamics and trophic behavior and explores management solutions fo ...
... understanding of omnivory as a stabilizing feature of food-webs, but can also be applied in management for conservation biological control. This thesis investigates how plant nutrient status influence heteropteran omnivore population dynamics and trophic behavior and explores management solutions fo ...
3 Biological Resources Limiting Factors
... these deliberations suggest that, in general, altered fire regime has resulted in the greatest impacts across all watersheds within the Province, followed by introduced invasive/exotic species, grazing and browsing by domestic animals, land-use conversion, and timber harvest. More specifically, at t ...
... these deliberations suggest that, in general, altered fire regime has resulted in the greatest impacts across all watersheds within the Province, followed by introduced invasive/exotic species, grazing and browsing by domestic animals, land-use conversion, and timber harvest. More specifically, at t ...
Insect Ecology
... • All the activities of insects requires an adequate temperature (feeding, development, reproduction) • Developmental rate of insects is highly influenced by the temperature, it can come off only above the biological zero point or developmental threshold temperature ...
... • All the activities of insects requires an adequate temperature (feeding, development, reproduction) • Developmental rate of insects is highly influenced by the temperature, it can come off only above the biological zero point or developmental threshold temperature ...
Living apart together Veen, Geertje Franciska
... invertebrate herbivores (Brown and Gange 1989, Brown and Gange 1992, van Ruijven et al. 2005). These studies revealed that interactive effects of invertebrate aboveground and belowground herbivores on plant community diversity were different from the sum of the separate effects. For example, van Ru ...
... invertebrate herbivores (Brown and Gange 1989, Brown and Gange 1992, van Ruijven et al. 2005). These studies revealed that interactive effects of invertebrate aboveground and belowground herbivores on plant community diversity were different from the sum of the separate effects. For example, van Ru ...
Ecosystems and Population Change Ecosystems and Population
... oikos, meaning “the place where one lives,” with logos, meaning “study of.” Ecological studies can begin at the level of a single organism. For example, an investigation could be designed to determine how the individual interacts with its environment, and how factors in the environment affect its gr ...
... oikos, meaning “the place where one lives,” with logos, meaning “study of.” Ecological studies can begin at the level of a single organism. For example, an investigation could be designed to determine how the individual interacts with its environment, and how factors in the environment affect its gr ...
HABITAT - Outdoor Alabama
... To try to curb the steady decline of bobwhites, the Southeast Quail Study Group, now known as the National Bobwhite Technical Committee (NBTC), was established in 1995 to bring bobwhite experts together from across the region to develop a recovery plan. The NBTC brings together 25 states within the ...
... To try to curb the steady decline of bobwhites, the Southeast Quail Study Group, now known as the National Bobwhite Technical Committee (NBTC), was established in 1995 to bring bobwhite experts together from across the region to develop a recovery plan. The NBTC brings together 25 states within the ...
Traits fonctionnels des arbres : de la plasticité - Archipel
... sites for a given diversity effect or response function . Shown are results for first year tree height at the Montreal site t ested against species richness (SR) , functional diversity (FD) , community weight ed mean (CWM ), and a randomly generated co-variable. . . . . . ...
... sites for a given diversity effect or response function . Shown are results for first year tree height at the Montreal site t ested against species richness (SR) , functional diversity (FD) , community weight ed mean (CWM ), and a randomly generated co-variable. . . . . . ...
final project - Sarah Lynn Thomas
... Generally, vegetation distribution based on NDVI values within the study areas of the Stillaguamish River Delta at Port Susan followed the expected outcomes of previous studies. Vegetation followed the predictions of Temmerman et al (2012), where vegetation follows morphological features and vegetat ...
... Generally, vegetation distribution based on NDVI values within the study areas of the Stillaguamish River Delta at Port Susan followed the expected outcomes of previous studies. Vegetation followed the predictions of Temmerman et al (2012), where vegetation follows morphological features and vegetat ...
Impacts of insect herbivores on rare plant populations
... rates (e.g., Fletcher et al., 2001; Bouchard et al., 2008). We also excluded studies that use only simulated herbivory or report only laboratory data (e.g., Ancheta et al., 2010) and studies of seed predation that measure removal of artificially presented seed (e.g., Montesinos et al., 2006). We incl ...
... rates (e.g., Fletcher et al., 2001; Bouchard et al., 2008). We also excluded studies that use only simulated herbivory or report only laboratory data (e.g., Ancheta et al., 2010) and studies of seed predation that measure removal of artificially presented seed (e.g., Montesinos et al., 2006). We incl ...
Camera trap assessment of the mammalian assemblages within the
... Understanding a species’ ecology and life history is now more important than ever before. As human population increases, destruction and conversion of habitat for human use increases all over the world, and understanding how animals move through and occupy their environment is extremely important. T ...
... Understanding a species’ ecology and life history is now more important than ever before. As human population increases, destruction and conversion of habitat for human use increases all over the world, and understanding how animals move through and occupy their environment is extremely important. T ...
Seasonal species interactions minimize the impact of species
... Institute of Nature Conservation, Polish Academy of Sciences, Mickiewicza 33, Krakow, 31-120, Poland ...
... Institute of Nature Conservation, Polish Academy of Sciences, Mickiewicza 33, Krakow, 31-120, Poland ...
Explaining density-dependent regulation in earthworm populations
... Density values of L. terrestris in the field have shown to be very variable among different habitats with densities being relatively higher in grass meadows than forest soils. In a study on the field population dynamics of L. terrestris, Daniel (1992) found densities ranging from 0.2 to a maximum of ...
... Density values of L. terrestris in the field have shown to be very variable among different habitats with densities being relatively higher in grass meadows than forest soils. In a study on the field population dynamics of L. terrestris, Daniel (1992) found densities ranging from 0.2 to a maximum of ...
studying the ecological impacts of light pollution on wildlife
... pollution on wildlife for several reasons. First, many species are nocturnally active, such that reproduction and activity primarily occur during dark periods. Secondly, amphibian species are widespread, abundant, and important components of terrestrial and aquatic ecosystems as both predators and p ...
... pollution on wildlife for several reasons. First, many species are nocturnally active, such that reproduction and activity primarily occur during dark periods. Secondly, amphibian species are widespread, abundant, and important components of terrestrial and aquatic ecosystems as both predators and p ...
Competitive avoidance not edaphic specialization drives vertical
... 2014). Alternatively, the vertical variation in EM fungal communities may not be attributable to resource heterogeneity, but rather to differential tolerances for environmental conditions. A number of abiotic conditions change with soil depth, such as temperature, water content, and oxygen availabil ...
... 2014). Alternatively, the vertical variation in EM fungal communities may not be attributable to resource heterogeneity, but rather to differential tolerances for environmental conditions. A number of abiotic conditions change with soil depth, such as temperature, water content, and oxygen availabil ...
File - Science Source
... Ecosystems Unit of the 6th grade Scope Science Curriculum. A test blue print is included for the summative unit test. The blueprint describes the content to be assessed with selected response, constructed response, and performance assessments. In addition, the packet includes suggestions and ...
... Ecosystems Unit of the 6th grade Scope Science Curriculum. A test blue print is included for the summative unit test. The blueprint describes the content to be assessed with selected response, constructed response, and performance assessments. In addition, the packet includes suggestions and ...
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.