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Two phenological variants of Terminalia alata coexist in a dry dipterocarp forest
Author(s) -
Ito Eriko,
Chann Sophal,
Tith Bora,
Keth Samkol,
Ly Chandararity,
Op Phallaphearaoth,
Furuya Naoyuki,
Ohnuki Yasuhiro,
Iida Shin’ichi,
Shimizu Takanori,
Tamai Koji,
Kabeya Naoki,
Yagi Takanobu,
Shimizu Akira
Publication year - 2018
Publication title -
plant species biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.419
H-Index - 36
eISSN - 1442-1984
pISSN - 0913-557X
DOI - 10.1111/1442-1984.12180
Subject(s) - phenology , deciduous , biology , tropical and subtropical dry broadleaf forests , dominance (genetics) , dry season , botany , wet season , tropical forest , ecology , biochemistry , gene
Two morphological variants of Terminalia alata ( C ombretaceae) differed in leaf flushing phenology and spatial distribution in a C ambodian deciduous forest. The hairy‐type trees displayed leaf exchange behavior in the middle of the dry season. The glabrous type flushed new leaves 3 months after the wet season started. The leafless period of the hairy type was estimated to be <1 month, whereas that of the glabrous type lasted more than 5 months. The landscape‐scale leaf exchange behavior was similar to that of the hairy type. The two types showed clear spatial separation. The hairy type was limited to flat areas with deep soils. The dominance of the glabrous type in hilly areas with shallow soils suggests that it is adapted to water‐limited environments. The abundance of the glabrous type in hilly areas and its unique leaf phenology probably influence the carbon, energy and water balance at the landscape level.