Journal of Applied Ecology

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Herbivore cross‐scale redundancy supports response diversity and promotes coral reef resilience
Journal of Applied Ecology - Tập 53 Số 3 - Trang 646-655 - 2016
Kirsty L. Nash, Nicholas A. J. Graham, Simon Jennings, Shaun K. Wilson, David R. Bellwood
Summary Functional redundancy contributes to resilience if different species in the same functional group respond to disturbance in different ways (response diversity). If species in a functional group perform their functional role at different spatial scales (cross‐scale redundancy), they are expected to respond differently to...... hiện toàn bộ
Configurational landscape heterogeneity shapes functional community composition of grassland butterflies
Journal of Applied Ecology - Tập 52 Số 2 - Trang 505-513 - 2015
David J. Perović, Sagrario Gámez‐Virués, Carmen Börschig, Alexandra‐Maria Klein, Jochen Krauß, Juliane Steckel, Christoph Rothenwöhrer, Stefan Erasmi, Teja Tscharntke, Catrin Westphal
Summary Landscape heterogeneity represents two aspects of landscape simplification: (i) compositional heterogeneity (diversity of habitat types); and (ii) configurational heterogeneity (number, size and arrangement of habitat patches), both with different ecological implications for community composition.... hiện toàn bộ
Responses of leopard Panthera pardus to the recovery of a tiger Panthera tigris population
Journal of Applied Ecology - Tập 48 Số 3 - Trang 806-814 - 2011
Abishek Harihar, Bivash Pandav, Surendra Prakash Goyal
Patterns and determinants of mammal species occurrence in India
Journal of Applied Ecology - Tập 46 Số 6 - Trang 1189-1200 - 2009
Krithi K. Karanth, James D. Nichols, James E. Hines, K. Ullas Karanth, Norman L. Christensen
Summary 1. Many Indian mammals face range contraction and extinction, but assessments of their population status are hindered by the lack of reliable distribution data and range maps. 2. We estimated the current geographical ranges of 20 species of large mammals by applying occupancy models to data from...... hiện toàn bộ
Negative impact of traffic noise on avian reproductive success
Journal of Applied Ecology - Tập 48 Số 1 - Trang 210-219 - 2011
Wouter Halfwerk, Leonard J. M. Holleman, C. M. Lessells, Hans Slabbekoorn
Summary1. Traffic affects large areas of natural habitat worldwide. As a result, the acoustic signals used by birds and other animals are increasingly masked by traffic noise. Masking of signals important to territory defence and mate attraction may have a negative impact on reproductive success. Depending on the overlap in space, time and fr...... hiện toàn bộ
Biases in the analysis of stable isotope discrimination in food webs
Journal of Applied Ecology - Tập 47 Số 4 - Trang 936-941 - 2010
K. Auerswald, M. Wittmer, Antoine Zazzo, Rudi Schäufele, H. Schnyder
Summary 1. Recently, Caut, Angulo & Courchamp (2009, Journal of Applied Ecology) published a review on diet‐tissue isotopic shifts in animals. They concluded that diet‐tissue shifts are influenced by the isotopic composition of the diet for both 13C and 15N in a wide range of animal taxa. 2. We suggest that the conclusion of Caut, Angulo & Courchamp is in error, and provide a discussion of sources of error in the assessment of diet‐tissue discrimination. 3. Errors in the derivation of diet‐tissue shifts include imprecise definitions, mathematical artefacts and invalid statistical analysis. It is likely that the work also suffers from experimental bias. The mathematical artefacts and statistical invalidity result from using the same variable (diet isotopic composition) in the independent and dependent variable for regression analysis and failure to correct for the resulting bias. Experimental bias can result from the incomplete turnover of body pools after diet switches or during natural fluctuations in diet isotope composition. Unfortunately, the main sources of error work in the same direction, strengthening the biased relationship between the diet‐tissue shift and diet isotope composition. Therefore, the analysis of hiện toàn bộ
Linking contaminant profiles to the diet and breeding location of American dippers using stable isotopes
Journal of Applied Ecology - Tập 41 Số 3 - Trang 502-512 - 2004
Christy A. Morrissey, Leah I. Bendell‐Young, John E. Elliott
Summary Individual variation in contaminant levels is a common occurrence in many toxicology studies, but the exact cause is often unclear. We investigated the influence of diet and breeding location on individual bird contaminant profiles using a colour‐marked population of American dippers ... hiện toàn bộ
A revised model for lipid‐normalizing δ13C values from aquatic organisms, with implications for isotope mixing models
Journal of Applied Ecology - Tập 43 Số 6 - Trang 1213-1222 - 2006
Mikko Kiljunen, Jonathan Grey, Tuula Sinisalo, Chris Harrod, Hemmo Immonen, Roger I. Jones
Summary Stable isotope analyses coupled with mixing models are being used increasingly to evaluate ecological management issues and questions. Such applications of stable isotope analyses often require simultaneous carbon and nitrogen analyses from the same sample. Correction of the carbon isotope value...... hiện toàn bộ
Variation in the effectiveness of symbiotic associations between native rhizobia and temperate Australian Acacia: within‐species interactions
Journal of Applied Ecology - Tập 36 Số 3 - Trang 398-408 - 1999
Jeremy J. Burdon, A. H. Gibson, Suzette D. Searle, Matthew J. Woods, J Brockwell
1. The ability of different rhizobial isolates collected from any one site to establish effective nitrogen‐fixing associations with host‐plants from that site showed significant variation in 22 host Acacia species and nearly all of 67 populations. The average Acacia host–Rhizobium strai...... hiện toàn bộ
The effects of landscape complexity on arable weed species diversity in organic and conventional farming
Journal of Applied Ecology - Tập 42 Số 5 - Trang 873-882 - 2005
Indra Roschewitz, Doreen Gabriel, Teja Tscharntke, Carsten Thies
Summary There is growing concern about declining species diversity in agro‐ecosystems caused by agricultural intensification at the field and landscape scales. Species diversity of arable weeds is classically related to local abiotic factors and resource conditions. It is believed to be enhanced by orga...... hiện toàn bộ
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