Drought-induced reductions in plant defenses: Insights from extrafloral nectaries in the Caatinga dry forest

被引：5
作者：
Camara, Talita [1 ,2 ]
de Assis Reis, Daniela Queiroz [2 ]
Arnan, Xavier [1 ]
Pereira Oliveira, Fernanda Maria [2 ]
Pereira Arruda, Emilia Cristina [3 ]
Leal, Inara Roberta [3 ]
机构：
[1] Univ Pernambuco, Dept Ciencias Biol, Rua Capita Pedro Rodrigues 105, BR-55290000 Garanhuns, PE, Brazil
[2] Univ Fed Pernambuco, Programa Posgrad Biol Vegetal, Recife, PE, Brazil
[3] Univ Fed Pernambuco, Dept Bot, Recife, PE, Brazil
来源：
BIOTROPICA | 2022年 / 54卷 / 01期
关键词：
ant-plant interactions; facultative mutualism; herbivory; indirect defense; intraspecific trait variation; phenotypic plasticity; precipitation; resource availability hypothesis; POPULATION VARIATION; WATER AVAILABILITY; ECOLOGY; DISTURBANCE; FRAMEWORK; SELECTION; EVOLUTION; HERBIVORY; TRAITS;
D O I：
10.1111/btp.13041
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
Extrafloral nectaries (EFNs) are anti-herbivory defense-related glands. We measured morphological and anatomical EFN traits in Pityrocarpa moniliformis trees along a rainfall gradient in Caatinga dry forest. We observed a reduction in structural EFN traits as rainfall decreased. We conclude that this reduction is a cost-saving strategy, probably mediated by ants.
引用
收藏
页码：12 / 17
页数：6
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