We found a match
Your institution may have rights to this item. Sign in to continue.
- Title
Algal control ability of allelopathically active submerged macrophytes: a review.
- Authors
Xiao Xi; Lou Li-ping; Li Hua; Chen Ying-xu
- Abstract
The inhibitory effect of allelochemicals released by submerged macrophytes on ph ytoplankton is considered as one of the mechanisms that contribute to the stabilization of clear-water status in shallow lakes. This paper reviewed t he research progress in the allelopathy of submerged macrophytes on algae from t he aspects of the occurrence frequency and coverage of allelopathically active s ubmerged macrophytes in lakes, and the kinds and allelopathical effects of the a llelochemicals released from the macrophytes. The previous researches indicated that allelopathically active submerged macrophyte species such as Myriophyllum , Ceratophyllum, and Elodea were efficient to control phytoplankton, especially when their biomass was high enough, and the dominant algae were sensitive species. The allelochemicals such as hydroxybenzene released by the submerged ma crophytes could inhibit the growth of algae. Different phytoplankton species exhibited different sensitivity against allelochemicals, e.g., cyanobacteria and diatom were more sensitive than green algae, while epiphytic species were less sensitive than phytoplankton. Environmental factors such as light, temperature, and nutrients could significantly affect the allelopathical effect of submerged macrophytes. The research of the allelopathy of submerged macrophytes is still at its beginning, and further researches are needed on the effects of environmental factors on the allelopathy, extraction and identification of allelochemicals, selective algal control mechanisms, and metabolism of the allelochmicals.
- Subjects
MACROPHYTES; ALLELOPATHIC agents; ALGAE control; ALGAL blooms; PHYTOPLANKTON populations; ELODEA; CERATOPHYLLUM; MYRIOPHYLLUM; CYANOBACTERIA; DIATOMS; PHYTOPLANKTON
- Publication
Chinese Journal of Applied Ecology / Yingyong Shengtai Xuebao, 2009, Vol 20, Issue 3, p705
- ISSN
1001-9332
- Publication type
Article