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Journal of Insect Biodiversity and Systematics، جلد ۱۰، شماره ۲، صفحات ۱۷۷-۱۹۴
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عنوان انگلیسی Response of beetle communities to the heterogeneity of vegetation in high altitude habitats in north-western Argentina
چکیده انگلیسی مقاله The dynamics and complexity of plant communities influence the diversity and distribution of animals in various environments. Coleoptera are the most diverse group of insects and are valued as monitoring and environmental assessment tools. However, their diversity and dynamics in these high-altitude environments are poorly known. Using pitfall traps and suction sampling, we collected beetles to study their community responses to changes in different vegetation heterogeneities (low, intermediate, and high). The heterogeneity gradient was determined by considering the dominant plant species in each habitat, the percentage of vegetation coverage, and the percentage of vertical strata. Guild's responses to vegetation heterogeneity were analysed in conjunction with the patterns of alpha and beta diversity in beetles. Representatives of 41 species/morphospecies of beetles, 16 families, and four guilds were reported. Significant variations were observed in guild composition and alpha and beta diversity, especially between high and low vegetation heterogeneity habitats. The significant species turnover between sites is the main factor responsible for the high beta diversity, supporting considerable habitat heterogeneity within these environments. Phytophagous, detritivorous, necrophagous, and predatory beetles exhibited distinct responses to the vegetation's heterogeneity. This suggests that every habitat under investigation possesses a distinct structure of beetle communities. Predators were important in habitats with more diverse vegetation, while phytophagous were important in the most homogeneous ones. Beetle communities in the Puna and Altos Andes of Salta province respond positively to vegetation heterogeneity, which plays a crucial role in determining the composition of small-scale beetle communities in arid high-altitude environments.
کلیدواژه‌های انگلیسی مقاله Arid area, beta diversity, Coleoptera, guild composition, mountain ecoregions
نویسندگان مقاله | Hilda Beatriz Macagno
IEBI (Instituto para el Estudio de la Biodiversidad de Invertebrados), Facultad de Ciencias Naturales, Universidad Nacional de Salta, Av. Bolivia 5150, Código Postal 4400, Salta, Argentina


| Rocío Micaela Bergeret Pacheco
IEBI (Instituto para el Estudio de la Biodiversidad de Invertebrados), Facultad de Ciencias Naturales, Universidad Nacional de Salta, Av. Bolivia 5150, Código Postal 4400, Salta, Argentina


| Andrea Ximena González-Reyes
IEBI (Instituto para el Estudio de la Biodiversidad de Invertebrados), Facultad de Ciencias Naturales, Universidad Nacional de Salta, Av. Bolivia 5150, Código Postal 4400, Salta, Argentina


| Ivanna Gabriela Cruz
IEBI (Instituto para el Estudio de la Biodiversidad de Invertebrados), Facultad de Ciencias Naturales, Universidad Nacional de Salta, Av. Bolivia 5150, Código Postal 4400, Salta, Argentina


| Gustavo Ernesto Flores
Laboratorio de Entomología, Instituto Argentino de Investigaciones de las Zonas Áridas (IADIZA), Centro Científico Tecnológico CONICET Mendoza, Casilla de Correo 507, 5500 Mendoza, Argentina


| Jose Antonio Corronca
CONICET-CCT Salta. IEBI (Instituto para el Estudio de la Biodiversidad de Invertebrados), Facultad de Ciencias Naturales, Universidad Nacional de Salta-CONICET-CCT Salta, Av. Bolivia 5150, Código Postal 4400, Salta, Argentina
نشانی اینترنتی http://jibs.modares.ac.ir/browse.php?a_code=A-1-79014-2&slc_lang=other&sid=36
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