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species abundance

Estimating species abundance from occurrence

Estimating species abundance from occurrence

... plant species to estimate the total area occupied at fine scales but found that the predicted values consistently overestimated those ...a species at a fine scale (Kunin 1998), it seems difficult to use the ...

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Diversity is maintained by seasonal variation in species abundance

Diversity is maintained by seasonal variation in species abundance

... in species abundance (see, for ex- ample, [30-32]) are one way in which communities change through time but the consequences of this sea- sonal variation for species coexistence are scarcely docu- ...

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Attenuation of species abundance distributions by sampling

Attenuation of species abundance distributions by sampling

... Clearly, species richness is not the only measure affected by sampling. Species abundance distributions (SADs), a sequence of the number of species that occur with particular frequency within ...

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The effects of acoustic misclassification on cetacean species abundance estimation

The effects of acoustic misclassification on cetacean species abundance estimation

... across species. Some species, such as large whales, produce calls that are easily recognized by an experienced observer or by an automatic ...delphinid species produce highly vari- able calls where ...

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Measuring β-diversity with species abundance data

Measuring β-diversity with species abundance data

... 2008). The distance–decay relationship (the increase in b -diversity with geographical distance) is a critical compo- nent of three of the six unified theories of biodiversity reviewed by McGill (2010). Measures of b ...

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How does ecological restoration influence invertebrate composition on Quail Island?

How does ecological restoration influence invertebrate composition on Quail Island?

... of species give a further understanding of their ecology, which can be beneficial for the design of future restoration ...potential species recovery (Bried et ...of species and microclimate on the ...

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Effect of Human Development on the Biodiversity of Benthic Macroinvertebrates in Douglas Lake, Michigan

Effect of Human Development on the Biodiversity of Benthic Macroinvertebrates in Douglas Lake, Michigan

... between species abundance and human development; and ANOVA comparing mean species abundance between the sites indicated no significant difference between any of the sites: high to low ...

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Constraint and competition in assemblages: a cross continental and modeling approach for ants

Constraint and competition in assemblages: a cross continental and modeling approach for ants

... Figure B6: Effect of changing starting abundance of ants on the relationship between species richness and abundance score of dominant ants for three species abundance frequency distribut[r] ...

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Dung beetle (Coleoptera: Scarabaeinae) community structure across a forest- agriculture habitat ecotonein South Western Ghats

Dung beetle (Coleoptera: Scarabaeinae) community structure across a forest- agriculture habitat ecotonein South Western Ghats

... beetle species composition among ...individual species to dissimilarity between habitats (Clarke , ...in species composition between habitats ...in species composition of dung beetle ...

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Molecular assessment of bacterial vaginosis by Lactobacillus abundance and species diversity

Molecular assessment of bacterial vaginosis by Lactobacillus abundance and species diversity

... Statistical analysis of 16S rRNA amplicon sequences The Pearson correlation coefficient of counts of all pairs of unique sequences from the 40 samples (585 in total) were calculated (leading to a 585 by 585 matrix of ...

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Temporal Variation of Fish Diversity and Assemblages and Their Associations to Environmental Variables in the Mangrove of Qinzhou Harbor, Guangxi Province, China

Temporal Variation of Fish Diversity and Assemblages and Their Associations to Environmental Variables in the Mangrove of Qinzhou Harbor, Guangxi Province, China

... fish species belonging to 57 genera, 32 families and 12 orders were ...most species-rich families, and the dominant species were Acentrogobius viridipunctatus and Bostrychus ...sinensis. ...

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Vol 46, No 2 (2016)

Vol 46, No 2 (2016)

... the species sampled by families, it is observed that the largest number of species belongs to the Scarabaeidae family (5 species), followed by the Chrysomelidae family with 4 species, the ...

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Towards a unified descriptive theory for spatial ecology: predicting biodiversity patterns across spatial scales

Towards a unified descriptive theory for spatial ecology: predicting biodiversity patterns across spatial scales

... To test the method, we applied it to two focal regions belonging to well-studied forest stands: Barro Colorado Island (BCI) in Panama and Pasoh Forest Reserve in Malaysia. These two plots allow us to test model ...

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The effect of agricultural management on Collembola communities in agroecosystems

The effect of agricultural management on Collembola communities in agroecosystems

... mesofauna abundance (a) and taxonomic order richness (b) across all fields at Harper Adams University ...Mean abundance (a) and order richness (b) of all recorded soil mesofauna groups from 3 field ...

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The effects of forest age and management on bee communities of production forests in the southern United States

The effects of forest age and management on bee communities of production forests in the southern United States

... estimated species richness does not decline significantly as the patch moves from recently disturbed (early successional) to forested (late ...observed species richness (negative), species evenness ...

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The Effect Of Emphasizing Key Vocabulary On Student Achievement With English Learners

The Effect Of Emphasizing Key Vocabulary On Student Achievement With English Learners

... Eutrophication, defined as “an increase in the rate of supply of organic matter to an ecosystem” (Nixon 1995) is a process affecting coastlines worldwide. Although occurring naturally (e.g. river runoff, ...

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Species diversity, abundance and dominance of macromycetes in beech forest stands

Species diversity, abundance and dominance of macromycetes in beech forest stands

... As it is evident in Table 4, the diversity of ligni- colous parasites was the highest on the PRP Jalná, followed by the RMP Žiar nad Hronom, and it was the lowest at the EES Kováčová. To a certain extent, this can be ...

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The Increasing in the Floristic Diversity of the Abandoned Arrhenatherion Elatioris Meadows by Dicotyledonous Species Oversowing

The Increasing in the Floristic Diversity of the Abandoned Arrhenatherion Elatioris Meadows by Dicotyledonous Species Oversowing

... the abundance of sown species populations, the seedling density, the heights of the sown species, the height of the resident vegetation, the total ground cover, the species composition of the ...

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Predicting aphid abundance on winter wheat using suction trap catches

Predicting aphid abundance on winter wheat using suction trap catches

... aphid species in this study were similar (Honěk & Kocourek 1990; Honěk ...three species, a lower development threshold of ...the species, distinguishing the limit with greater precision has ...

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Diversity from genes to ecosystems : a unifying framework to study variation across biological metrics and scales

Diversity from genes to ecosystems : a unifying framework to study variation across biological metrics and scales

... and species diversity (Agrawal, ...of species–gene diversity correlations ...and species diversity is inconsistent across studies and even within ...correlated species richness, a measure that ...

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