Correlations between landscape attributes and ecological traits of Lepidoptera communities in olive groves

Scalercio, Stefano; Brandmayr, Pietro; Iannotta, N.; Petacchi, Ruggero; Boccaccio, Luigi

doi:10.14411/eje.2012.027

Cited by 24 publications

(24 citation statements)

References 65 publications

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“…() observed an opposite relationship where similar traits were selected for in more heterogeneous habitats, and Scalercio et al . () did not observe significant effects of habitat structure on functional diversity. In a unique attempt to distinguish between community responses to compositional landscape heterogeneity (the diversity of habitat types) and configurational landscape heterogeneity (the number, size and arrangement of habitat patches), Perović et al .…”

Section: Current Trait‐based Studies On Terrestrial Arthropodsmentioning

confidence: 75%

Trait‐based ecology of terrestrial arthropods

2018

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In focusing on how organisms' generalizable functional properties (traits) interact mechanistically with environments across spatial scales and levels of biological organization, trait-based approaches provide a powerful framework for attaining synthesis, generality and prediction. Trait-based research has considerably improved understanding of the assembly, structure and functioning of plant communities. Further advances in ecology may be achieved by exploring the trait-environment relationships of non-sessile, heterotrophic organisms such as terrestrial arthropods, which are geographically ubiquitous, ecologically diverse, and often important functional components of ecosystems. Trait-based studies and trait databases have recently been compiled for groups such as ants, bees, beetles, butterflies, spiders and many others; however, the explicit justification, conceptual framework, and primary-evidence base for the burgeoning field of 'terrestrial arthropod trait-based ecology' have not been well established. Consequently, there is some confusion over the scope and relevance of this field, as well as a tendency for studies to overlook important assumptions of the trait-based approach. Here we aim to provide a broad and accessible overview of the trait-based ecology of terrestrial arthropods. We first define and illustrate foundational concepts in trait-based ecology with respect to terrestrial arthropods, and justify the application of trait-based approaches to the study of their ecology. Next, we review studies in community ecology where trait-based approaches have been used to elucidate how assembly processes for terrestrial arthropod communities are influenced by niche filtering along environmental gradients (e.g. climatic, structural, and land-use gradients) and by abiotic and biotic disturbances (e.g. fire, floods, and biological invasions). We also review studies in ecosystem ecology where trait-based approaches have been used to investigate biodiversity-ecosystem function relationships: how the functional diversity of arthropod communities relates to a host of ecosystem functions and services that they mediate, such as decomposition, pollination and predation. We then suggest how future work can address fundamental assumptions and limitations by investigating trait functionality and the effects of intraspecific variation, assessing the potential for sampling methods to bias the traits and trait values observed, and enhancing the quality and consolidation of trait information in databases. A roadmap to guide observational trait-based studies is also presented. Lastly, we highlight new areas where trait-based studies on terrestrial arthropods are well positioned to advance ecological understanding and application. These include examining the roles of competitive, non-competitive and (multi-)trophic interactions in shaping coexistence, and macro-scaling trait-environment relationships to explain and predict patterns in biodiversity and ecosystem functions across space and time. We hope this review will spur a...

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Section: Current Trait‐based Studies On Terrestrial Arthropodsmentioning

confidence: 75%

Trait‐based ecology of terrestrial arthropods

2018

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“…In alcuni lavori è emerso che specie stenoecie e con scarsa capacità di dispersione sono correlate alla diversità del paesaggio solo considerando piccole scale spaziali, ossia buffer inferiori ai 500 m e che, al contrario, per le specie generaliste si apprezzano gli effetti della diversità di paesaggio a scale spaziali più ampie (Bergman et al 2004, Krauss et al 2003, Dover & Settele 2009, Scalercio et al 2012. La scelta del buffer ottimale per la correlazione tra diversità del paesaggio e comunità di Lepidotteri resta comunque un parametro di fondamentale importanza negli studi ecologici.…”

Section: Discussioneunclassified

Relationships between landscape and moth diversity in Mediterranean mountain forest ecosystems at multiple spatial scales

Greco¹,

Coluzzi²,

Imbrenda³

et al. 2017

Forest@

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IntroduzioneL'ecologia del paesaggio (landscape ecology) è una disciplina complessa che ha tra i principali obiettivi lo studio delle interazioni tra i vari elementi del paesaggio, di come essi siano configurati in relazione l'uno all'altro in un mosaico complesso e come tale struttura possa influire su una vasta gamma di modelli e processi ecologici (Wiens & Milne 1989). Le comunità animali si distribuiscono all'interno di un paesaggio in funzione soprattutto dell'estensione e it).Abstract: Relationships between landscape and moth diversity in Mediterranean mountain forest ecosystems at multiple spatial scales. The diversity in composition of moth communities living forest habitats is strongly related to habitat characteristics, depending mainly on dominant forest type. The species in a community have different behaviors and are more or less influenced by the surrounding landscape diversity. The effects of landscape diversity on moth communities are significant when the appropriate spatial scale is considered, which depends on the ecological needs and dispersion abilities of species. In this study we assessed the relationships between landscape diversity at different spatial scales in four different forest Calabrian scenarios, identified by using the CORINE Land Cover, and moth diversity. Nocturnal Lepidoptera were sampled in beech, chestnut, Calabrian black pine and fir forests by using LED light traps. In each forest type 9 traps were positioned, in a total of 36 sample plots selected by the maturity of forest. The diversity of Lepidoptera communities was related to landscape diversity, considering each sample plots as the center of the surrounding landscape analyzed with different buffers (500m, 1000m, 2000m, 3000m, and 5000m). Diversity moth-landscape correlations were performed for: (i) all 36 sample plots; (ii) only broadleaves forest sites; (iii) only conifers forest sites; (iv) only forested plots; (v) only non-forested plots. Our results suggest that landscape composition in forest ecosystems, both at small and medium spatial scale, have a driving role in determining moth communities diversity, pointing out that the landscape structure is a parameter to taking in account for the sustainable management of forests.Keywords: Lepidoptera, Diversity, Landscape Ecology, CORINE Land Cover, CalabriaReceived: Nov 29, 2016; Accepted: Jan 10, 2017; Published online: Feb 27, 2017 Citation: Greco S, Coluzzi R, Imbrenda V, Infusino M, Simoniello T, Scalercio S, 2017. Relazione fra diversità del paesaggio in ecosistemi forestali montani mediterranei e diversità dei Lepidotteri a differenti scale spaziali. Forest@ 14: 75-83 [online 2017-02-27]

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“…The natural and semi-natural vegetation in this region continues to be eliminated to increase the area for olive-orchard cultivation, and therefore the original landscape has been reduced and fragmented (Parra & Calatrava, 2006;Milgroom et al, 2007). This trend has impoverished the arthropod fauna in the olive-orchard agroecosystem (Guzmán & Alonso, 2004b;Ruano et al, 2004;Santos et al, 2007a;Scalercio et al, 2012;Paredes et al, 2013). The surface area of organic olive orchards in Andalusia has almost doubled in the last 10 years (MAGRAMA, 2002(MAGRAMA, , 2011, from 31,517 ha in 2002 to 56,023 ha in 2011.…”

Section: Study Area and Crop Management Systemsmentioning

confidence: 99%

Methodological considerations in discriminating olive-orchard management type using olive-canopy arthropod fauna at the level of order

Jerez-Valle

García-López

Campos

et al. 2015

Span. j. agric. res.

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The cultivation of the olive tree (Olea europaea L.) has great importance in the entire Mediterranean basin, so that the implementation of organic practices in their management directly affects the sustainability of the agricultural system. Bioindication with arthropods can help to detect the different agricultural practices. In this work, we analyse the most appropriate methodology for discriminating between management using arthropods at the taxonomic level of order, with the novelty of taking into account the weather conditions to select the sampling dates. Between 12 and 15 sampling stations (depending on the year) were selected from olive orchards belonging to organic, conventional non-tillage, and strict conventional management, being sampled by beating the canopy fortnightly in the spring-summer period of 2007, 2008 and 2009. Organic management was more abundant and richer than the rest for the three years. Most groups with significant differences in terms of relative abundance were more abundant in organic orchard, except Neuroptera. Finally, different discriminant methods were evaluated (Linear Discriminant Analysis, Multiple Discriminant Analysis, and Support Vector Machine) with several different data sets. The discriminant analysis with interannual variability reached 97.9% accuracy in differentiating between organic and non-organic management using the LDA method, considering the taxa with significant differences from the abundance, excluding pests, and using samples with more uniform and stable weather patterns (late summer).Additional key words: bioindication; conventional; discriminant analysis; meteorological conditions; non-tillage; organic. Abbreviations used: CON (conventional production); FR% (percentage of individuals recorded); K-W (Kruskal-Wallis nonparametric test); LDA (Linear Discriminant Analysis); m (slope of the line); MDA (Multiple Discriminant Analysis); Me (median); n (number of sample units used); n (m=0.1) (number of samples required for a slope of 0.1); N (absolute abundance of arthropods); NonORG (non-organic production); NS (not significant); NT (conventional non-tillage production); ORG (organic production); Q1 (first quartile); Q3 (third quartile); SD (standard deviation); S obs (observed number of orders); SVM (Support Vector Machine); TNO (total number of orders); X̅ ORG , X̅ NT or X̅ CON (mean abundance per station of each management type).Citation: Jerez-Valle, C.; García-López, P. A.; Pascual, F. (2015). Methodological considerations in discriminating olive-orchard management type using olive-canopy arthropod fauna at the level of order. Spanish Journal of Agricultural Research, Volume 13, Issue 4, e0304, 14 pages. http://dx.doi.org/10.5424/sjar/2015134-6588.This work has one supplementary figure and two supplementary tables published online alongside the electronic version of the article.

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Correlations between landscape attributes and ecological traits of Lepidoptera communities in olive groves

Cited by 24 publications

References 65 publications

Trait‐based ecology of terrestrial arthropods

Trait‐based ecology of terrestrial arthropods

Relationships between landscape and moth diversity in Mediterranean mountain forest ecosystems at multiple spatial scales

Methodological considerations in discriminating olive-orchard management type using olive-canopy arthropod fauna at the level of order

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