<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The objective of this study was to investigate the duration of flowering and fruiting and the growth of riparian species in the natural forest along Phra Prong River, Watthana Nakhon District, Sa Kaeo province. The occurrence of flowering and fruiting was recorded every month from February 2015 to January 2016 (12 months) along a 7km distance of the riversides. Sixty six species belonging to 36 families were seen flowering and fruiting in this study. They were observed during February – April. The peak of flowering and fruiting occurred in March (early summer). <italic>Hydnocarpus anthelminthicus</italic>, <italic>Uvaria rufa</italic>, and <italic>Combretum latifolium</italic> had a long lasting flowering and fruiting period. <italic>Oxystelma esculentum, Capparis micracantha</italic>, <italic>Connarus cochinchinensis</italic>, <italic>Derris scandens</italic>, and <italic>Ficus racemosa</italic> produced flowers and fruits more than once a year. Those species may play an important role in availability of food resources for animals in the riparian forest. The appropriate time to collect seeds in Phra Prong riparian forest starts from February and lasts until August. The germination test indicated that <italic>Xanthophyllum lanceatum</italic> and <italic>Crateva magna</italic> had a high germination rate, about 70%. Growth of some riparian species, including <italic>Cinnamomum iners</italic>, <italic>Dipterocarpus alatus</italic>, <italic>Hydnocarpus anthelminthicus</italic> and <italic>Hopea odorata</italic> was monitored every three months from July 2015 to June 2016. Diameter growth of <italic>D. alatus</italic> was significantly higher during the wet season (Jul-Sep) than other seasons. In contrast, the rest of the species showed no significant differences among monitoring periods. Height growth rate of <italic>C. iners</italic> was significantly highest late in the dry period (Jan-Mar).</p></abstract>

The objective of this study was to investigate the duration of flowering and fruiting and the growth of riparian species in the natural forest along Phra Prong River, Watthana Nakhon District, Sa Kaeo province. The occurrence of flowering and fruiting was recorded every month from February 2015 to January 2016 (12 months) along a 7km distance of the riversides. Sixty six species belonging to 36 families were seen flowering and fruiting in this study. They were observed during February – April. The peak of flowering and fruiting occurred in March (early summer). Hydnocarpus anthelminthicus, Uvaria rufa, and Combretum latifolium had a long lasting flowering and fruiting period. Oxystelma esculentum, Capparis micracantha, Connarus cochinchinensis, Derris scandens, and Ficus racemosa produced flowers and fruits more than once a year. Those species may play an important role in availability of food resources for animals in the riparian forest. The appropriate time to collect seeds in Phra Prong riparian forest starts from February and lasts until August. The germination test indicated that Xanthophyllum lanceatum and Crateva magna had a high germination rate, about 70%. Growth of some riparian species, including Cinnamomum iners, Dipterocarpus alatus, Hydnocarpus anthelminthicus and Hopea odorata was monitored every three months from July 2015 to June 2016. Diameter growth of D. alatus was significantly higher during the wet season (Jul-Sep) than other seasons. In contrast, the rest of the species showed no significant differences among monitoring periods. Height growth rate of C. iners was significantly highest late in the dry period (Jan-Mar).

Reproductive Phenology and Growth of Riparian Species along Phra Prong River, Sa Kaeo Province, Eastern Thailand

Journal of Landscape Ecology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The objective of this study was to investigate the duration of flowering and fruiting and the growth of riparian species in the natural forest along Phra Prong...

Reproductive Phenology and Growth of Riparian Species along Phra Prong River, Sa Kaeo Province, Eastern Thailand

Published Online: Oct 25, 2017

Page range: 35 - 48

Received: Nov 01, 2016

Accepted: Feb 25, 2017

DOI: https://doi.org/10.1515/jlecol-2017-0003

Keywords
reproductive phenology, flowering, fruiting, growth, riparian species, Phra Prong River, Sa Kaeo, Thailand

© 2017 Boontida Moungsrimuangdee et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Reproductive Phenology and Growth of Riparian Species along Phra Prong River, Sa Kaeo Province, Eastern Thailand

Published Online: Oct 25, 2017

Page range: 35 - 48

Received: Nov 01, 2016

Accepted: Feb 25, 2017

DOI: https://doi.org/10.1515/jlecol-2017-0003

Keywordsreproductive phenology, flowering, fruiting, growth, riparian species, Phra Prong River, Sa Kaeo, Thailand

© 2017 Boontida Moungsrimuangdee et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
reproductive phenology, flowering, fruiting, growth, riparian species, Phra Prong River, Sa Kaeo, Thailand