Ground-dwelling arthropods of pinyon-juniper woodlands: Arthropod community patterns are driven by climate and overall plant productivity, not host tree species

Autor:	Richard W. Hofstetter, Derek A. Uhey, Hannah Lee Riskas, Aaron D. Smith
Jazyk:	angličtina
Rok vydání:	2020
Předmět:	0106 biological sciences Atmospheric Science Vapor Pressure 010504 meteorology & atmospheric sciences Rain Climate Woodland Forests 01 natural sciences Trees Beetles Abundance (ecology) Multidisciplinary Ecology Physics Eukaryota Classical Mechanics Vegetation Plants Terrestrial Environments Insects Habitat Productivity (ecology) Physical Sciences Medicine Seasons Juniper Research Article Arthropoda Plant Exudates Science Biology 010603 evolutionary biology Ecosystems Normalized Difference Vegetation Index Meteorology Pressure Animals Arthropods 0105 earth and related environmental sciences Ants Ecology and Environmental Sciences Organisms Biology and Life Sciences Pinus biology.organism_classification Invertebrates Hymenoptera Juniperus Earth Sciences Species richness Zoology Entomology
Zdroj:	PLoS ONE, Vol 15, Iss 8, p e0238219 (2020) PLoS ONE
ISSN:	1932-6203
Popis:	Pinyon-juniper (PJ) woodlands have drastically changed over the last century with juniper encroaching into adjacent habitats and pinyon experiencing large-scale mortality events from drought. Changes in climate and forest composition may pose challenges for animal communities found in PJ woodlands, especially if animals specialize on tree species sensitive to drought. Here we test habitat specialization of ground-dwelling arthropod (GDA) communities underneath pinyon and juniper trees. We also investigate the role of climate and productivity gradients in structuring GDAs within PJ woodlands using two elevational gradients. We sampled 12,365 individuals comprising 115 taxa over two years. We found no evidence that GDAs differ under pinyon or juniper trees, save for a single species of beetle which preferred junipers. Climate and productivity, however, were strongly associated with GDA communities and appeared to drive differences between sites. Precipitation was strongly associated with arthropod richness, while differences in GDA composition were associated with environmental variables (precipitation, temperature, vapor pressure, and normalized difference vegetation index). These relationships varied among different arthropod taxa (e.g. ants and beetles) and community metrics (e.g. richness, abundance, and composition), with individual taxa also responding differently. Overall, our results suggest that GDAs are not dependent on tree type, but are strongly linked to primary productivity and climate, especially precipitation in PJ woodlands. This implies GDAs in PJ woodlands are more susceptible to changes in climate, especially at lower elevations where it is hot and dry, than changes in dominant vegetation. We discuss management implications and compare our findings to GDA relationships with vegetation in other systems.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2a4f2a59a4a4a2a881e7a84b7e300a29 https://doaj.org/article/e2bcc52df3dc496dbe80d48efc565ad7 Zobrazit plný text záznamu Plný text ve formátu PDF Plný text ve formátu HTML
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