MORFOMETRIK DAN MERISTIK LAMUN DI PANTAI BORGO KECAMATAN BELANG DAN PANTAI BASAAN I KECAMATAN RATATOTOK KABUPATEN MINAHASA TENGGARA

Abstract

Seagrasses are flowering plants (Angiosperms) that are fully adapted to aquatic environments. Seagrasses are capable of living in salt water; even though it is immersed in salty water, it still functions normally. The function and role of seagrasses depend on the number of leaf blades, leaf length, leaf width, and total biomass, all of which are highly determined by local conditions. This research was conducted in Southeast Minahasa Regency in Pantai Borgo Village, Belang District and Beach Village of Basaan I, Ratatotok District. This study aims to measure the morphometrics and meristics of seagrass species Enhalus acoroides, Thalassia hemprichii and Syringodium isoetifolium. Sampling of seagrass was carried out using the cruising survey method, as many as 10 individuals for each species at each study location, samples were taken using a knife and washed and put into plastic samples. Then measured using a caliper ruler. The results obtained from the three seagrass species Enhalus acoroides, Thalassia hemprichii and Syringodium isoetifolium are different in morphometric and meristic sizes of the three seagrasses which are larger in Basaan I Beach compared to those in Borgo Beach. This is because in Borgo Beach there are many human activities that greatly affect the activity of morphometric and meristic sizes which in turn also affect the growth of seagrass. This difference is thought to be due to the high activity of the people who live around Borgo beach in the form of household waste disposal and fishing activities, namely the intensity of boat traffic and boat moorings, while on Pasir Panjang Beach, Basan I Village is far from residential areas and is a tourist area that is not yet very touristy. Stout is known by many people so it is still in good condition and maintained. Measurement of environmental parameters of the waters of Borgo Village Beach and Basaan I Village Beach are still in optimum conditions for seagrass plants and development.

Keywords: Seagrass, Morphometrics, Meristic, Borgo Village, Basaan I Village