干旱区生态环境知识资源中心(Arid): FLUCTUATING ASYMMETRY AND ORGANOSOMATIC INDICES IN ANURAN POPULATIONS IN AGRICULTURAL ENVIRONMENTS IN SEMI-ARID BRAZIL

Arid

	FLUCTUATING ASYMMETRY AND ORGANOSOMATIC INDICES IN ANURAN POPULATIONS IN AGRICULTURAL ENVIRONMENTS IN SEMI-ARID BRAZIL
	Gondim, Patricia De M.; Rodrigues, Joao Fabricio M.; Cascon, Paulo
通讯作者	Gondim, PD
来源期刊	HERPETOLOGICAL CONSERVATION AND BIOLOGY
ISSN	2151-0733
EISSN	1931-7603
出版年	2020
卷号	15 期号:2 页码:354-366
英文摘要	The influence of anthropogenic disturbance on anurans can be identified by fluctuating asymmetry (i.e., small random deviations from perfect symmetry), and by organosomatic indices (i.e., relative weights of the internal organs in relation to total body weight). The aim of this study was to investigate the occurrence of environmental stress caused by agricultural activities in Leptodactylas macrosternum (Miranda's White-lipped Frog) and Scinax x-signatus (Venezuela Snouted Treefrog) populations in the Brazilian semi-arid region in two agricultural areas and two non-agricultural areas. We used fluctuating limb asymmetry and hepatosomatic, adiposomatic, and gonadosomatic indices as indicators of disturbance. There was asymmetry only in the femur length of L. macrosternum and in the calcaneus-phalange length of S. x-signatus, but we observed no significant differences in asymmetry between the agricultural and non-agricultural areas. There was wide variation among the four studied areas in the hepatosomatic, adiposomatic, and especially gonadosomatic indices of L. macrosternum, but no indication of a difference between individuals from agricultural and non-agricultural areas. This suggests a possible relationship with unknown local environmental characteristics or ecological factors. Moreover, L. macrosternum and S. x-signatus are species with generalist behavior that are well adapted to disturbed areas. Thus, fluctuating asymmetry and organosomatic indices may not have been capable of detecting impacts, or the stressors that could affect them were simply not present in agricultural habitats. Future studies focusing on histological variations in the gonads and evaluations of chemical contamination of organs tissue may give a better understanding of the possible impacts of agriculture on these populations.
英文关键词	anthropogenic disturbance environmental stress Leptodactylus macrosternum Miranda's White-Lipped Frog Scinax x-signatus Venezuela Snouted Treefrog
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000565765000011
WOS关键词	DEVELOPMENTAL INSTABILITY ; PHYSIOLOGICAL INDEXES ; DIRECTIONAL ASYMMETRY ; AMPHIBIAN DECLINES ; GLOBAL DECLINE ; BODY CONDITION ; FROGS ; STRESS ; PESTICIDES ; CONTAMINATION
WOS类目	Zoology
WOS研究方向	Zoology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/326024
作者单位	[Gondim, Patricia De M.; Cascon, Paulo] Univ Fed Ceara, Dept Biol, Grad Course Ecol & Nat Resources, Pici Campus, BR-60440900 Fortaleza, Ceara, Brazil; [Rodrigues, Joao Fabricio M.] Univ Fed Goias, Dept Ecol, Samambaia Campus, BR-74001970 Goiania, Go, Brazil
推荐引用方式 GB/T 7714	Gondim, Patricia De M.,Rodrigues, Joao Fabricio M.,Cascon, Paulo. FLUCTUATING ASYMMETRY AND ORGANOSOMATIC INDICES IN ANURAN POPULATIONS IN AGRICULTURAL ENVIRONMENTS IN SEMI-ARID BRAZIL[J],2020,15(2):354-366.
APA	Gondim, Patricia De M.,Rodrigues, Joao Fabricio M.,&Cascon, Paulo.(2020).FLUCTUATING ASYMMETRY AND ORGANOSOMATIC INDICES IN ANURAN POPULATIONS IN AGRICULTURAL ENVIRONMENTS IN SEMI-ARID BRAZIL.HERPETOLOGICAL CONSERVATION AND BIOLOGY,15(2),354-366.
MLA	Gondim, Patricia De M.,et al."FLUCTUATING ASYMMETRY AND ORGANOSOMATIC INDICES IN ANURAN POPULATIONS IN AGRICULTURAL ENVIRONMENTS IN SEMI-ARID BRAZIL".HERPETOLOGICAL CONSERVATION AND BIOLOGY 15.2(2020):354-366.