干旱区生态环境知识资源中心(Arid): Resource partitioning among juvenile snappers in a semi-arid estuary in north-eastern Brazil

Arid

DOI	10.1017/S0025315420000375
	Resource partitioning among juvenile snappers in a semi-arid estuary in north-eastern Brazil
	Yasmin Lustosa-Costa, Silvia; Nascimento Duarte, Maria Rita; Vasconcelos Araujo, Priscila Rocha; Pessanha, Andre Luiz Machado
通讯作者	Pessanha, ALM
来源期刊	JOURNAL OF THE MARINE BIOLOGICAL ASSOCIATION OF THE UNITED KINGDOM
ISSN	0025-3154
EISSN	1469-7769
出版年	2020
卷号	100 期号:5 页码:807-816
英文摘要	Resource partitioning is important for species coexistence. Species with similar ecomorphological characters have a high potential for competition, especially when close phylogenetically. The diet and resource partitioning of four snappers (Lutjanus alexandrei,L. analis,L. jocuandL. synagris) was studied in the Tubarao River, north-eastern Brazil, between March and November 2012. Specimens were caught using a beach seine, and a total of 731 stomachs were analysed. The highest abundance of snappers was found near to vegetated habitats in the middle estuary. Crustaceans were dominant in the diet of all four species, being found in over 90% of the stomachs, followed by fish and molluscs. The species did not appear to compete for common resources, probably because there was not always spatial overlap, and differences in the proportions of consumption of items were observed. Ontogenetic comparisons of dietary compositions suggested differences among species, with changes in the diet related to changes in the mouth area as the body size increased. The changes were more evident inL. analisandL. synagriswhere microcrustaceans (Calanoida, Cyclopoida and Amphipoda) were dominant in the diet of the smaller size classes, and benthic crustaceans (Brachyura) and fish in the diet of larger individuals. The intra- and inter-specific differences in the dietary compositions, differences in the mouth area and feeding strategy contribute to allow the co-existence of these snappers in the study area.
英文关键词	Habitats hypersaline Lutjanus Perciformes trophic ecology Tubarao River estuary
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000574190400013
WOS关键词	LUTJANUS-JOCU BLOCH ; FEEDING ECOLOGY ; PERCIFORMES LUTJANIDAE ; FISH ASSEMBLAGES ; LIFE STAGES ; DIETARY COMPOSITIONS ; TROPHIC ECOLOGY ; MUTTON SNAPPER ; ABROLHOS BANK ; REEF FISHES
WOS类目	Marine & Freshwater Biology
WOS研究方向	Marine & Freshwater Biology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/326585
作者单位	[Yasmin Lustosa-Costa, Silvia; Nascimento Duarte, Maria Rita; Vasconcelos Araujo, Priscila Rocha; Pessanha, Andre Luiz Machado] Univ Estadual Paraiba, Programa Posgrad Ecol & Conservacao, Campus 1,Ave Baraunas 351, BR-58429500 Campina Grande, PB, Brazil
推荐引用方式 GB/T 7714	Yasmin Lustosa-Costa, Silvia,Nascimento Duarte, Maria Rita,Vasconcelos Araujo, Priscila Rocha,et al. Resource partitioning among juvenile snappers in a semi-arid estuary in north-eastern Brazil[J],2020,100(5):807-816.
APA	Yasmin Lustosa-Costa, Silvia,Nascimento Duarte, Maria Rita,Vasconcelos Araujo, Priscila Rocha,&Pessanha, Andre Luiz Machado.(2020).Resource partitioning among juvenile snappers in a semi-arid estuary in north-eastern Brazil.JOURNAL OF THE MARINE BIOLOGICAL ASSOCIATION OF THE UNITED KINGDOM,100(5),807-816.
MLA	Yasmin Lustosa-Costa, Silvia,et al."Resource partitioning among juvenile snappers in a semi-arid estuary in north-eastern Brazil".JOURNAL OF THE MARINE BIOLOGICAL ASSOCIATION OF THE UNITED KINGDOM 100.5(2020):807-816.