Functional habitat area as a reliable proxy for population size: case study using two butterfly species of conservation concern

Turlure, Camille; Choutt, Julie; Dyck, Hans Van; Baguette, Michel; Schtickzelle, Nicolas

doi:10.1007/s10841-010-9269-3

Cited by 40 publications

(21 citation statements)

References 52 publications

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“…The resource‐based habitat approach has been applied to species of conservation interest to construct statistical distribution models, functional habitat maps and management maps to adapt nature reserve management relative to the presence, abundance and spatial and functional configuration of essential ecological resources for threatened insect species (e.g. Turlure et al ., , b ; Kalarus, Skórka & Nowicki, ). Using standard geographic information system (GIS) tools, functional habitat is delineated based on several layers of information about key ecological resource distributions and on mobility estimates derived from mark–release–recapture programs to fix maximal distances between clusters of resources (for details, see Vanreusel & Van Dyck, ).…”

Section: Resource‐based Habitat Concept (Rbhc)mentioning

confidence: 99%

Towards a resource‐based habitat approach for spatial modelling of vector‐borne disease risks

et al. 2014

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Given the veterinary and public health impact of vector-borne diseases, there is a clear need to assess the suitability of landscapes for the emergence and spread of these diseases. Current approaches for predicting disease risks neglect key features of the landscape as components of the functional habitat of vectors or hosts, and hence of the pathogen. Empirical-statistical methods do not explicitly incorporate biological mechanisms, whereas current mechanistic models are rarely spatially explicit; both methods ignore the way animals use the landscape (i.e. movement ecology). We argue that applying a functional concept for habitat, i.e. the resource-based habitat concept (RBHC), can solve these issues. The RBHC offers a framework to identify systematically the different ecological resources that are necessary for the completion of the transmission cycle and to relate these resources to (combinations of) landscape features and other environmental factors. The potential of the RBHC as a framework for identifying suitable habitats for vector-borne pathogens is explored and illustrated with the case of bluetongue virus, a midge-transmitted virus affecting ruminants. The concept facilitates the study of functional habitats of the interacting species (vectors as well as hosts) and provides new insight into spatial and temporal variation in transmission opportunities and exposure that ultimately determine disease risks. It may help to identify knowledge gaps and control options arising from changes in the spatial configuration of key resources across the landscape. The RBHC framework may act as a bridge between existing mechanistic and statistical modelling approaches.

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Section: Resource‐based Habitat Concept (Rbhc)mentioning

confidence: 99%

Towards a resource‐based habitat approach for spatial modelling of vector‐borne disease risks

et al. 2014

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“…Moreover, habitat quality determines the carrying capacity. This capacity mainly depends on the quantity of resources such as oviposition places or nectar sources (Turlure et al, 2010) and influences the population density threshold when individuals have to start leaving an area in larger numbers (Konvicka et al, 2012). Hence, dispersal is strongly density-dependent (Baker, 1984;Shreeve, 1992): To avoid intraspecific competition, the emigration rate increases with increasing population density (Baguette et al, 1996;Brunzel, 2002;Enfjäll & Leimar, 2005).…”

Section: Dispersal Behaviormentioning

confidence: 99%

Sexual dimorphism in the alpine butterfliesBoloria palesandBoloria napaea: differences in movement and foraging behavior (Lepidoptera: Nymphalidae)

et al. 2017

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Sexual dimorphism is a widespread phenomenon in Lepidoptera. It is reflected in differences in life history, behavior and morphology. Analyses of differences in behavior are mostly difficult and time-consuming, especially in high mountain ecosystems. To enhance our knowledge on sexual dimorphisms of alpine butterflies, we performed a mark-release-recapture study on 2 species common in the Alps: Boloria pales and Boloria napaea. We analysed movement and foraging behavior to investigate differences between sexes. Both sexes were mostly sedentary and the movement distances of males and females similar. However, obvious differences in dispersal behavior between the sexes were found in the movement patterns. Three different patterns were distinguished. Most males showed intensive flight activity, but mostly flew only in a limited part of the entire habitat (i.e., their individual home range) searching for females, whereas females were less flight active and flew only to find places for oviposition or feeding. The third pattern, where individuals flew larger distances, was only observed in a small number of males, which always returned to their home range. Nearly all feeding was observed on Asteraceae. However, males preferred the genera Leontodon and Crepis, while females preferred Leontodon and Carduus. Apart from this sexual difference in foraging, individuals of both sexes were found to be more or less specialised on nectar sources. Flight activity was generally greater in males than females. Therefore, we think that sex-specific requirements in nectar ingredients exist, that is, sugar for the intensive flight activity of males and amino acids for egg production of females.

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“…Habitat alteration and fragmentation are commonly cited as primary factors causing the decline of natural populations because the loss of habitat that meets the minimum requirements for growth and reproduction has become increasingly limited in many areas (Andrén 1994;Turlure et al 2010;Bergerot et al 2012). As a result, degraded and isolated habitats often experience substantial declines in populations and concordant declines in biodiversity (Chapin et al 2000).…”

Section: Introductionmentioning

confidence: 99%

Bioenergetic calculations evaluate changes to habitat quality for salmonid fishes in streams treated with salmon carcass analog

Keeley

Campbell

Kohler

2016

Can. J. Fish. Aquat. Sci.

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Nutrient supplementation in oligotrophic streams is proposed as a means of mitigating losses of marine-derived subsidies from declining or extirpated populations of anadromous fishes. One of the central predictions of nutrient addition is an increased production of fish through bottom-up increases in invertebrate abundance. Such changes in food availability may increase growth and production rates for stream fishes by increasing habitat quality. In this study we apply bioenergetic calculations to estimate changes to habitat quality based on predicted increases in net energy intake. We compared invertebrate drift abundance and estimated changes in energy availability in streams treated with salmon carcass analog versus untreated controls. Our results revealed a two-to threefold increase in invertebrate drift abundance following the addition of salmon carcass analog; however, this effect appeared to be short-term. Measures of the energetic profitability of stream habitat for salmonid fishes revealed small, yet significant, increases in net energy availability in streams that received analog additions, but only after controlling for differences in physical habitat features such as temperature and stream flow.

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Functional habitat area as a reliable proxy for population size: case study using two butterfly species of conservation concern

Cited by 40 publications

References 52 publications

Towards a resource‐based habitat approach for spatial modelling of vector‐borne disease risks

Towards a resource‐based habitat approach for spatial modelling of vector‐borne disease risks

Sexual dimorphism in the alpine butterfliesBoloria palesandBoloria napaea: differences in movement and foraging behavior (Lepidoptera: Nymphalidae)

Bioenergetic calculations evaluate changes to habitat quality for salmonid fishes in streams treated with salmon carcass analog

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