Seasonality and distribution of Coleoptera families (Arthropoda, Insecta) in the Cerrado of Central Brazil

IF 0.7 4区 农林科学 Q4 ENTOMOLOGY
C. Oliveira, C. M. Oliveira, A. Specht, M. R. Frizzas
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引用次数: 6

Abstract

ABSTRACT Coleoptera order in Brazil presents 105 families with approximately 28,000 species. The life cycle and diversity of Coleoptera are strongly influenced by climate and vegetation. The objective of this study was to evaluate the seasonality and distribution of Coleoptera families in an area of the Cerrado in the Federal District (DF) of Brazil. The insects were collected monthly, between June 2015 and May 2016, using a light trap activated only in nights with a new moon, in an area of cerrado sensu stricto in Planaltina/DF, Brazil. The data were correlated with climatic variables. A total of 21,100 Coleoptera specimens belonging to 34 families were collected, with Melolonthidae (n = 11,075), Carabidae (n = 2,522), Scarabaeidae (n = 2,506), Bostrichidae (n = 1,196), and Chrysomelidae (n = 1,086) being the most abundant. Coleoptera were significantly more abundant in the first half of the rainy season. There was a significant and positive correlation between the abundance of Coleoptera and the climatic variables temperature and precipitation. The data presented in this study are related to an atypical year under the strong influence of the El Nino phenomenon, which may influence the abundance of Coleoptera. Circular analysis revealed that Coleoptera, and the most abundant families, presented seasonality throughout the year with a grouped distribution at the beginning of the rainy season (October to December). This study demonstrates that the richness and abundance of the Coleoptera order, in the Cerrado, is strongly influenced by the characteristic climatic seasons of the biome.
巴西中部塞拉多鞘翅目(节肢动物纲、昆虫纲)的季节性和分布
摘要:巴西鞘翅目共有105科,约28000种。鞘翅目植物的生命周期和多样性受到气候和植被的强烈影响。本研究的目的是评估巴西联邦区塞拉多地区鞘翅目科的季节性和分布。2015年6月至2016年5月,在巴西普拉纳尔蒂纳/DF的严格塞拉多地区,每月使用仅在新月夜晚激活的光阱收集这些昆虫。这些数据与气候变量相关。共采集了34科21100个鞘翅目标本,其中以梅洛龙科(11075个)、金龟子科(2522个)、斯卡拉贝科(2506个)、博斯科(1196个)和金花虫科(1086个)最为丰富。鞘翅目在雨季的前半段明显更为丰富。鞘翅目的丰度与气候变量温度和降水量之间存在显著的正相关。本研究中提供的数据与厄尔尼诺现象强烈影响下的非典型年份有关,厄尔尼诺现象可能会影响鞘翅目的丰度。循环分析显示,鞘翅目和数量最多的科在一年中都具有季节性,在雨季开始时(10月至12月)呈分组分布。这项研究表明,塞拉多鞘翅目的丰富度和丰度受到生物群落特征气候季节的强烈影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
1.50
自引率
12.50%
发文量
14
审稿时长
6-12 weeks
期刊介绍: Information not localized
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