Differences in flowering sex ratios between native and invasive populations of the seagrass Halophila stipulacea
Date
2018-08Author
Nguyen, HM
Kleitou, P
Kletou, D
Sapir, Y
Winters, G
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Show full item recordAbstract
Deviations from the 1:1 sex ratio are common in dioecious plants. The tropical seagrass Halophila stipulacea is among an extremely rare group of dioecious plants which is widely recognized as female-biased. Here we report on differences in sex ratios between native (Eilat, northern Red Sea) and invasive (Cyprus, Mediterranean Sea) populations. While H. stipulacea populations were female-biased in the native region, invasive populations were either male- or female-biased. The existence of both sexes simultaneously in the Mediterranean invasive population, might help its ongoing expansion in the Mediterranean, thereby threatening local seagrasses species.
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Publisher
De Gruyter
Journal
Botanica Marina
Volume
61
Issue
4
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