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Article

Influence of Climate and Local Habitat Characteristics on Carabid Beetle Abundance and Diversity in Northern Chinese Steppes

1
School of Agriculture, Ningxia University, 489 Helanshan West Road, Yinchuan 750021, China
2
Department of Life, Health, and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy
*
Authors to whom correspondence should be addressed.
Insects 2020, 11(1), 19; https://doi.org/10.3390/insects11010019
Received: 25 November 2019 / Revised: 18 December 2019 / Accepted: 20 December 2019 / Published: 24 December 2019
Carabids are an important insect group in grassland ecosystems and are involved in numerous ecosystem services. Steppes are the most widespread ecosystems in China, but they are under increasing degradation. Despite their importance, little is known about the relationships between environmental variables and carabid community structure in Chinese steppes. We studied the effects of fine-scale factors (soil and vegetation) and coarse-scale factors (climate) on carabid community parameters (abundance, richness, diversity, dominance, and evenness) in three types of steppes (desert, typical, and meadow steppes) in northern China. Carabid communities responded to environmental factors in different ways according to the type of steppe. Climate factors were the most important drivers of community structure, whereas the effects of soil and vegetation were less important. Desert steppe showed the lowest carabid abundance, richness, diversity, and evenness, and the highest dominance. This community is relatively simple and strongly dominated by a few species adapted to the severe conditions of this environment. Typical and meadow steppes showed carabid communities with a more complex structure. As expected on the basis of environmental severity, the most severe ecosystem (i.e., the desert) was only influenced by climatic factors, whereas a certain influence of biotic factors emerged in the other ecosystems. View Full-Text
Keywords: central Asia; climate factors; abundance; diversity; dominance; eigenvector spatial filtering; environmental severity central Asia; climate factors; abundance; diversity; dominance; eigenvector spatial filtering; environmental severity
MDPI and ACS Style

Tsafack, N.; Xie, Y.; Wang, X.; Fattorini, S. Influence of Climate and Local Habitat Characteristics on Carabid Beetle Abundance and Diversity in Northern Chinese Steppes. Insects 2020, 11, 19. https://doi.org/10.3390/insects11010019

AMA Style

Tsafack N, Xie Y, Wang X, Fattorini S. Influence of Climate and Local Habitat Characteristics on Carabid Beetle Abundance and Diversity in Northern Chinese Steppes. Insects. 2020; 11(1):19. https://doi.org/10.3390/insects11010019

Chicago/Turabian Style

Tsafack, Noelline; Xie, Yingzhong; Wang, Xinpu; Fattorini, Simone. 2020. "Influence of Climate and Local Habitat Characteristics on Carabid Beetle Abundance and Diversity in Northern Chinese Steppes" Insects 11, no. 1: 19. https://doi.org/10.3390/insects11010019

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