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Mohandass, D.
- Flowering and Fruiting Patterns of Woody Species in the Tropical Montane Evergreen Forest of Southern India
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Authors
Affiliations
1 Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden (XTBG), Chinese Academy of Sciences, Menglun town, Mengla County, Yunnan 666 303, CN
2 Centre for Integrative Conservation, Xishuangbanna Tropical Botanical Garden (XTBG), Chinese Academy of Sciences, Menglun town, Mengla County, Yunnan 666 303, CN
3 Department of Ecology and Environmental Sciences, Pondicherry University, Kalapet, Puducherry 605 014, IN
1 Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden (XTBG), Chinese Academy of Sciences, Menglun town, Mengla County, Yunnan 666 303, CN
2 Centre for Integrative Conservation, Xishuangbanna Tropical Botanical Garden (XTBG), Chinese Academy of Sciences, Menglun town, Mengla County, Yunnan 666 303, CN
3 Department of Ecology and Environmental Sciences, Pondicherry University, Kalapet, Puducherry 605 014, IN
Source
Current Science, Vol 111, No 2 (2016), Pagination: 404-416Abstract
Reproductive phenology in tropical forests has been potentially influenced by climatic cues, biotic interactions and phylogenetic constraints at the community level. Studies on this relationship in the tropical montane evergreen forest of south India are rather lacking. We made reproductive phonological observations on 497 individuals falling under 66 species, in 52 genera and 31 families, at weekly intervals for a period of three years from January 2002 to December 2004 consecutively. At the community level, most of the woody species had annual rhythm and showed regular seasonal reproductive cycle. Flowering and fruiting patterns were significantly related with climatic variables, seasonal patterns were significantly associated with biotic factors and further found that closely related species of flowering and fruiting showed similar in times at climatic seasonality. Therefore the study suggests that community level reproductive phenology was influenced by climatic variables, biotic interaction and evolutionary perspectives.Keywords
Biotic Interactions, Climatic Factors, Reproductive Phenology, Tropical Forests.Full Text
- Flowering and Fruiting Phenology of Woody Trees in the Tropical-Seasonal Rainforest, Southwestern China
Abstract Views :262 |
PDF Views:80
Authors
Affiliations
1 Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden (XTBG), Chinese Academy of Sciences, Menglun, Yunnan 666 303, CN
2 Centre for Tropical Environmental and Sustainability Science (TESS) and College of Marine and Environmental Sciences, James Cook University, Cairns, Queensland, 4878, AU
3 Key Laboratory of Agro-Ecological Processes in Subtropical Region, The Chinese Academy of Sciences, Hunan-410 125, CN
4 Laboratory of Ecology and Evolutionary Biology, State Key Laboratory in Conservation and Utilization of Bioresources in Yunnan, Yunnan University, Kunming, Yunnan, CN
1 Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden (XTBG), Chinese Academy of Sciences, Menglun, Yunnan 666 303, CN
2 Centre for Tropical Environmental and Sustainability Science (TESS) and College of Marine and Environmental Sciences, James Cook University, Cairns, Queensland, 4878, AU
3 Key Laboratory of Agro-Ecological Processes in Subtropical Region, The Chinese Academy of Sciences, Hunan-410 125, CN
4 Laboratory of Ecology and Evolutionary Biology, State Key Laboratory in Conservation and Utilization of Bioresources in Yunnan, Yunnan University, Kunming, Yunnan, CN
Source
Current Science, Vol 114, No 11 (2018), Pagination: 2313-2322Abstract
The reproductive phenology of tropical plants is potentially driven by a number of abiotic and biotic factors. However, it is still unclear as to which climatic factors and biotic interactions drive the reproductive phenology of woody trees in the tropical seasonal rainforest of Xishuangbanna region in Southwest China. We conducted observations on woody plants (including trees and shrubs) phenology between November 2004 and October 2007 at biweekly intervals in the one hectare permanent plot of tropical seasonal rainforest in Southwest China. A total of 357 individuals of 76 species (70 genera, 37 families), comprising of 59 (78%) woody trees and 17 (22%) shrub species were observed. Our results demonstrate that flowering and fruiting frequencies show slight temporal variation between years. Flowering was significantly correlated with day-length, temperature and rainfall and fruiting was significantly correlated with rainfall and temperature. This finding indicates that woody tree reproductive phenology was primarily associated with temperature and rainfall and to a lesser extent with day-length. Reproductive phenology is also linked to seasonal patterns with flowering peaking in the late dry season and fruiting peaking in the late wet season. Moreover, reproductive phenology is also significantly associated with reproductive ecological guilds such as pollination types and dispersal modes. Community reproductive phenology is associated with climatic seasonality and biotic interactions. It also suggests that seasonal phenology patterns may play a fundamental role in community reproductive success in the tropical seasonal rainforest of Xishuangbanna region of South-west China.Keywords
Biotic Factors, Climatic Variables, Plant Phenology, Seasonal Patterns, South China.Full Text
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