<strong>Composition of Aquatic Macrophytes and Riparian Vegetation in Lake Sentani, Papua Province.</strong> Macrophytes and riparian vegetation play an important role in maintaining the balance of aquatic ecosystems. The loss of vegetation components can lead to increased sedimentation and change the microhabitat in the waters. This research aimed to obtain the composition of aquatic macrophytes and riparian vegetation in Lake Sentani, as well as to determine the status of waters and the characteristics of riparian zones in Sentani Lake. The research was conducted from September to October 2014. The sampling of aquatic macrophytes and riparian vegetation was conducted at 5 stations: St.1 (Doyo Lama), St.2 (Donday), St.3 (Deyau), St.4 (Kalkotte), and St. 5 (Jaifuri). Data of aquatic macrophytes was taken using square plot (1 x 1 m2) of 15 plots, while riparian vegetation data used survey method with 10 m transect line from the shoreline. The results showed that there were 10 species of aquatic macrophytes from 8 families and 30 species of riparian vegetation from 18 families. Based on these aquatic macrophytes and riparian vegetation, Lake Sentani is categorized as eutrophic, with the dominant macrophyte being hornworts (Ceratophyllum demersum L.; 135 individuals). Station 4 (Kalkotte) has the largest number of individual aquatic macrophytes (96 individuals). Cogongrass (Imperata cylindrica (L.) Beauv.) was found to be the most abundant species of riparian vegetation in all stations (190 individuals). This is related to the shoreline of Lake Sentani which is largely a sandy soil. Station 5 (Jaifuri) has the largest number of species and the largest number of individual riparian vegetation (344 individuals from 20 species). <br />
The variety of riparian vegetation to support the life of ihan (Tor sp.) in the Bonandolok River in North Sumatra was studied. Ihan is an endemic species in Bonandolok that has been considered in the red list of species by the International Union for Conservation of Nature and Natural Resources (IUCN). Since ihan is almost extinct in its natural habitat, a research that relate to their habitat became crucial. Riparian vegetation plays an essential role in keeping ecosystem balance. Degradation of the riparian area not only triggers sedimentation but also change the microhabitat. It is thus vital to know the relation between the riparian vegetation and ihan. This research was conducted in April 2019 through the survey method at four stations (St. 1 the upstream, St. 2 upstream-middle part, St. 3 middle-downstream part, and St. 4 the downstream). The survey recorded a total of 51 plant species within 31 families. Tithonia diversifolia A. Grey was found as the most abundant species during the study (136 individuals). Station 2 was the station with the most species (23 species), and station with the most abundance of riparian vegetations was station 3 (262 individuals). The result of this study calls for the critical consideration supporting the efficiently riparian vegetation conservation as a habitat and food source of ihan in Bonandolok River.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
hi@scite.ai
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
Copyright © 2024 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.