Oecologia - Florida State University
... The first experiment was designed to test the reality of the positive association of harpacticoid copepods with isolated short shoots that appeared in some preliminary data (Waldo, unpublished). The experiment ran for 11 days in August, 1981. At the time of sampling, the short shoots and mimics were ...
... The first experiment was designed to test the reality of the positive association of harpacticoid copepods with isolated short shoots that appeared in some preliminary data (Waldo, unpublished). The experiment ran for 11 days in August, 1981. At the time of sampling, the short shoots and mimics were ...
A comparison of avian use of high
... Data analysis. Mist-netting operations are limited in their ability to sample some important parts of the migratory bird community, although some individuals of poorly represented species may be captured. Most notable in this category are raptors and owls, which we removed from our data set prior to ...
... Data analysis. Mist-netting operations are limited in their ability to sample some important parts of the migratory bird community, although some individuals of poorly represented species may be captured. Most notable in this category are raptors and owls, which we removed from our data set prior to ...
Regional and local impact on species diversity – from pattern to
... measure the linearity between SL and SR. Therefore, we first revise the models used in the literature, before presenting the data basis of our analysis. Models to distinguish between type I and type II relationships There is no consistent statistical test used to distinguish between type I and type ...
... measure the linearity between SL and SR. Therefore, we first revise the models used in the literature, before presenting the data basis of our analysis. Models to distinguish between type I and type II relationships There is no consistent statistical test used to distinguish between type I and type ...
More closely related species are more ecologically similar in an
... degree to which close relatives are similar in niche is still debated (21). Some studies find evidence for phylogenetic signal in niche characteristics (22), whereas others find that important aspects of the niche are highly labile with respect to ancestry (23, 24). With few exceptions, these studies ...
... degree to which close relatives are similar in niche is still debated (21). Some studies find evidence for phylogenetic signal in niche characteristics (22), whereas others find that important aspects of the niche are highly labile with respect to ancestry (23, 24). With few exceptions, these studies ...
Bumblebees
... Bumblebees Bumblebees are vital for pollinating our wildflowers and crops such as apples and raspberries. Unfortunately these popular and hard-working insects are in decline and urgent action is required to save them. Bumblebees have undergone a rapid decline in their range and population. There are ...
... Bumblebees Bumblebees are vital for pollinating our wildflowers and crops such as apples and raspberries. Unfortunately these popular and hard-working insects are in decline and urgent action is required to save them. Bumblebees have undergone a rapid decline in their range and population. There are ...
Threatened Species Lists - Friends of the Brush-tailed Rock
... sparse mid-storey near rainforest ecotone; all of these vegetation types are fire prone. Age of habitat since fires (fire-age) is of paramount importance to this species. The Illawarra and southern populations reach maximum densities in habitat that has not been burnt for at least 15 years; however, ...
... sparse mid-storey near rainforest ecotone; all of these vegetation types are fire prone. Age of habitat since fires (fire-age) is of paramount importance to this species. The Illawarra and southern populations reach maximum densities in habitat that has not been burnt for at least 15 years; however, ...
Problems with areal definitions of endemism: the effects of spatial
... restriction, but that point may not be representative, in that different results may obtain across geographic regions differing in spatial scaling of individual subunits. That is, a region with many small subunits (e.g. islands, mountains) will generally be identified as showing greater range restri ...
... restriction, but that point may not be representative, in that different results may obtain across geographic regions differing in spatial scaling of individual subunits. That is, a region with many small subunits (e.g. islands, mountains) will generally be identified as showing greater range restri ...
Beluga, Cook Inlet population - Alaska Center for Conservation
... Alaska Species Ranking System Summary Report - Beluga, Cook Inlet population Hobbs, R. C., K. E. W. Shelden, D. J. Rugh, and S. A. Norman. In review. Draft 2008 status review and extinction assessment of Cook Inlet belugas (Delphinapterus leucas). AFSC Processed Report. Huntington, H. P. 2000. Trad ...
... Alaska Species Ranking System Summary Report - Beluga, Cook Inlet population Hobbs, R. C., K. E. W. Shelden, D. J. Rugh, and S. A. Norman. In review. Draft 2008 status review and extinction assessment of Cook Inlet belugas (Delphinapterus leucas). AFSC Processed Report. Huntington, H. P. 2000. Trad ...
Introductory Ecology Laboratory Manual - Your Space
... oxygen introduced by wind driven mixing. The third source is autochthonous – from inside the lake – and is a result of photosynthesis by plants, algae and cyanobacteria. Oxygen may be an indicator of primary productivity. Not only does it indicate the productivity of the lake, but the amount of dis ...
... oxygen introduced by wind driven mixing. The third source is autochthonous – from inside the lake – and is a result of photosynthesis by plants, algae and cyanobacteria. Oxygen may be an indicator of primary productivity. Not only does it indicate the productivity of the lake, but the amount of dis ...
4 Hierarchical competition in a pond-breeding anuran
... Hierarchical competition in a pond-breeding anuran larvae community in a Mediterranean area. The anuran larval guild is characterised by the co-occurrence of distinct species in the same pond at high densities during development with a high niche overlap. For these reasons anuran larvae have been st ...
... Hierarchical competition in a pond-breeding anuran larvae community in a Mediterranean area. The anuran larval guild is characterised by the co-occurrence of distinct species in the same pond at high densities during development with a high niche overlap. For these reasons anuran larvae have been st ...
Schiel—Algal interactions on subtidal reefs
... brown algae of the orders Fucales and Laminariales. Species of the genera Carpophyllum, Sargasswn, and Landsburgia are the most conspicuous fucaleans, whereas Ecklonia radiata is the only common laminarian. Three categories of events affect the composition of stands of these algae: first, the compet ...
... brown algae of the orders Fucales and Laminariales. Species of the genera Carpophyllum, Sargasswn, and Landsburgia are the most conspicuous fucaleans, whereas Ecklonia radiata is the only common laminarian. Three categories of events affect the composition of stands of these algae: first, the compet ...
Copenhaver 1 Lake and Bog Fish Survey and Water
... The goal is to create a complete species list of selective lakes and bogs on the property, in which multiple surveying techniques will be implemented. I recognize that each sampling method contains biases. For example, minnow traps would be used no more than 5 meters from land or 5m deep depend ...
... The goal is to create a complete species list of selective lakes and bogs on the property, in which multiple surveying techniques will be implemented. I recognize that each sampling method contains biases. For example, minnow traps would be used no more than 5 meters from land or 5m deep depend ...
Predation of Frankliniella occidentalis by Orius insidiosus on plant
... January. Such levels are considerably lower than those reported by Loomans and van Lenteren (1995). C. menes has several generations a year. It completes a life cycle in about one month. Sampling showed that A. fasciatipennis was about 5% of the total predators collected in alfalfa and about 15% of ...
... January. Such levels are considerably lower than those reported by Loomans and van Lenteren (1995). C. menes has several generations a year. It completes a life cycle in about one month. Sampling showed that A. fasciatipennis was about 5% of the total predators collected in alfalfa and about 15% of ...
Community assembly and invasion: An experimental Joseph Fargione* , Cynthia S. Brown
... There are a variety of plausible mechanisms that could cause resident functional guilds to most strongly inhibit members of their own functional guild. Indeed, any of a wide variety of niche-based mechanisms of multispecies coexistence could be responsible. Based on earlier studies at this site (25, ...
... There are a variety of plausible mechanisms that could cause resident functional guilds to most strongly inhibit members of their own functional guild. Indeed, any of a wide variety of niche-based mechanisms of multispecies coexistence could be responsible. Based on earlier studies at this site (25, ...
Landscape structure, habitat fragmentation, and the ecology of insects
... increases in response to forest fragmentation (Roland, 1993). Effects of fragmentation on both parasitoids (Roland & Taylor, 1997) and disease (Roland & Kaupp, 1995) have been implicated in their dynamics under landscape change. Finally, the age of habitat fragments may also influence both the occur ...
... increases in response to forest fragmentation (Roland, 1993). Effects of fragmentation on both parasitoids (Roland & Taylor, 1997) and disease (Roland & Kaupp, 1995) have been implicated in their dynamics under landscape change. Finally, the age of habitat fragments may also influence both the occur ...
Ecological Observations of Some Common Antipatharian Corals in
... This study was conducted by scuba diving, both in daytime and at night in July 2004 and Jan. and Sept. 2005 at 8 dive sites off 3 islands in the Marine Park. The dive sites were located at Bajau, Bunaken Timur, Negeri, Likuan 2, Likuan 3, Mapia, Siladen (Onong Resort), and Tanjung Pisok (Fig. 1). Th ...
... This study was conducted by scuba diving, both in daytime and at night in July 2004 and Jan. and Sept. 2005 at 8 dive sites off 3 islands in the Marine Park. The dive sites were located at Bajau, Bunaken Timur, Negeri, Likuan 2, Likuan 3, Mapia, Siladen (Onong Resort), and Tanjung Pisok (Fig. 1). Th ...
Biodiversity, Habitat Area, Resource Growth Rate and Interference
... a loss term. For example, aggressive behavior leads to biomass loss due to higher respiration even if no increased mortality follows. It is the presence of this term that reflects the negative correlation between density and per capita growth rate observed in empirical studies. In general, direct in ...
... a loss term. For example, aggressive behavior leads to biomass loss due to higher respiration even if no increased mortality follows. It is the presence of this term that reflects the negative correlation between density and per capita growth rate observed in empirical studies. In general, direct in ...
The influence of connectivity on richness and temporal variation of
... and Wilson 1967). The theory predicts richness to be highest on large continuous habitats (‘‘mainland’’) and decrease with increased isolation due to decreased immigration rates (although reduce rescue effects may also raise extinctions and further lower richness). However, coral patch reefs have be ...
... and Wilson 1967). The theory predicts richness to be highest on large continuous habitats (‘‘mainland’’) and decrease with increased isolation due to decreased immigration rates (although reduce rescue effects may also raise extinctions and further lower richness). However, coral patch reefs have be ...
On the integration of biotic interaction and
... the probabilities for assemblages, instead of a set of independent occurrence probabilities for each species. This approach is promising for building joint species distribution models (see Discussion). This property will be fully explored in the next section to include interactions. Consider as an e ...
... the probabilities for assemblages, instead of a set of independent occurrence probabilities for each species. This approach is promising for building joint species distribution models (see Discussion). This property will be fully explored in the next section to include interactions. Consider as an e ...
Distribution, extent of inter-annual variability and diet of the
... of once-abundant fish (3.6 million tonnes) (Lynam et al., 2006). Jellyfish populations may be increasing in biomass at existing sites, undergoing range expansions into new areas and in addition non-native invasive species may proliferate, with all these processes contributing to overall increases in ...
... of once-abundant fish (3.6 million tonnes) (Lynam et al., 2006). Jellyfish populations may be increasing in biomass at existing sites, undergoing range expansions into new areas and in addition non-native invasive species may proliferate, with all these processes contributing to overall increases in ...
Functional traits of grasses growing in open and shaded habitats
... the form and function of plants. Plants that thrive in the deep shade of the understory of a forest are expected to differ in several traits compared to those successful in open, well-lit habitats. Since photosynthesis is directly influenced by the amount of light leaves intercept, most comparative ...
... the form and function of plants. Plants that thrive in the deep shade of the understory of a forest are expected to differ in several traits compared to those successful in open, well-lit habitats. Since photosynthesis is directly influenced by the amount of light leaves intercept, most comparative ...
Misleading criticisms of invasion science
... claim that management efforts are being wasted on innocuous non-native species – activities described as ‘irrational’ and ‘deliberate persecution’ (Thomas, 2013). In reality, managers are constrained by limited resources and seek to prioritize species that are likely to become problematic. However, ...
... claim that management efforts are being wasted on innocuous non-native species – activities described as ‘irrational’ and ‘deliberate persecution’ (Thomas, 2013). In reality, managers are constrained by limited resources and seek to prioritize species that are likely to become problematic. However, ...
Habitat filtering and niche differentiation jointly explain
... niche (Violle & Jiang, 2009; Devictor et al., 2010). Plant traits usually co-vary along axes of specialization (Diaz et al., 2004), reflecting different trade-offs for plant functioning that ultimately affect species’ reproduction, survival and growth (Suding et al., 2003; Westoby & Wright, 2006). F ...
... niche (Violle & Jiang, 2009; Devictor et al., 2010). Plant traits usually co-vary along axes of specialization (Diaz et al., 2004), reflecting different trade-offs for plant functioning that ultimately affect species’ reproduction, survival and growth (Suding et al., 2003; Westoby & Wright, 2006). F ...
No Slide Title
... How might variation in environment (soil type) affect dispersion in plants? Patchy variation of soil nutrients, water, or physical environment cause plants to occur in patches (clumped dispersion). How might interactions among plants affect dispersion? ...
... How might variation in environment (soil type) affect dispersion in plants? Patchy variation of soil nutrients, water, or physical environment cause plants to occur in patches (clumped dispersion). How might interactions among plants affect dispersion? ...