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MORFOLOGI DAN ANATOMI Holothuria atra PADA EKOSISTEM PADANG LAMUN DI PULAU CEMARA KECIL TAMAN NASIONAL KARIMUNJAWA (23dsa475)

ISTIQOMAH, AYU (2023) MORFOLOGI DAN ANATOMI Holothuria atra PADA EKOSISTEM PADANG LAMUN DI PULAU CEMARA KECIL TAMAN NASIONAL KARIMUNJAWA (23dsa475). Undergraduate thesis, Fakultas Perikanan dan Ilmu Kelautan.

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Abstract

ABSTRAK
(Ayu Istiqomah. 26010118140059. Morfologi dan Anatomi Holothuria
atra pada Ekosistem Padang Lamun di Pulau Cemara Kecil Taman Nasional
Karimunjawa (Suryanti dan Max Rudolf Muskananfola).
Echinodermata merupakan salah satu komponen utama dari
keanekaragaman hayati laut yang berperan penting dalam fungsi ekosistem.
Teripang merupakan biota laut yang sering dijumpai di daerah pesisir laut, dan
banyak hidup di ekosistem lamun maupun terumbu karang. Penelitian ini
bertujuan untuk mengetahui morfologi, anatomi, habitat, serta hubungan antara
faktor fisika kimia perairan terhadap jumlah Holothuria atra di perairan Pulau
Cemara Kecil Taman Nasional Karimunjawa. Metode yang digunakan dalam
penelitian ini adalah metode observasi dengan analisis statistik kuantitatif. Metode
observasi merupakan metode yang digunakan untuk menganalisis sampel di
lapangan dan di laboratorium. Penentuan stasiun dilakukan berdasarkan metode
systematic random sampling dengan mempertimbangkan keberadaan ekosistem
padang lamun sebagai habitat utama teripang. Sampel teripang diidentifikasi dan
sampel sedimen dilakukan analisis butir sedimen. Analisis kuantitatif dilakukan
untuk mengetahui ada atau tidaknya pengaruh tutupan lamun terhadap kelimpahan
teripang. Hasil penelitian menunjukkan bahwa ditemukan spesies yaitu
Holothuria atra berbentuk bulat dengan warna hitam terdiri atas mulut, tentakel,
faring, esofagus, stomach, usus, gonad, cloaca, dan anus. Berat tubuh teripang
yang ditemukan yaitu 192 - 411 gram, panjang tubuh 17 - 23 cm, lebar badan 4 -
7,6 cm, dan panjang ususnya 68,58 - 78,8 cm. Habitat dari teripang jenis
Holothuria atra yaitu padang lamun dengan sedimen berpasir kasar (0,5 mm)
yaitu sebesar 54 % dan pasir halus (0,125 mm) 44,9%. Hubungan antara
kelimpahan teripang dengan nilai tutupan lamun didapatkan nilai koefisien
determinasi sebesar 0,024 termasuk kategori lemah dan koefisien korelasi
sebesar 0,15 termasuk kategori sangat lemah. Sedangkan parameter kualitas air
optimal untuk pertumbuhan teripang dan lamun.
Kata Kunci : Echinodermata, Holothuria atra, Kelimpahan, Lamun, Teripang.

ABSTRACT
(Ayu Istiqomah. 26010118140059. Morphology and Anatomy of
Holothuria atra in the Seagrass Ecosystem on Cemara Kecil Island, Karimunjawa
National Park (Suryanti and Max Rudolf Muskananfola).
Echinoderms are the main components of marine biodiversity that
important role in ecosystem function. Sea cucumbers are marine biota were found
in coastal areas, such as seagrass and coral reef ecosystems. This study determine
the morphology, anatomy, habitat, and relationship between physical, chemical
factors in the waters and the number of Holothuria atra Cemara Kecil Island,
Karimunjawa National Park. The method was an observation method with
quantitative statistical analysis. The observation method to analyze samples in the
field and laboratory. Determination of stations by systematic random sampling by
considering the existence of seagrass ecosystems as the main habitat for sea
cucumbers. Sea cucumber samples were identified and sediment samples were
analyzed for sediment grains. Quantitative analysis to determine the presence or
absence of seagrass cover influence on sea cucumber abundance. The species was
found, namely Holothuria atra round in shape with black color consists of mouth,
tentacles, pharynx, esophagus, stomach, intestine, gonads, cloaca, and anus. The
body weight 192-411 grams, body length of 17-23 cm, body width 4-7.6 cm, and
intestine length in the range of 68.58-78.8 cm. The habitat of the sea cucumber
type Holothuria atra is seagrass with coarse sandy sediments (0,5 mm) is 54%
and fine sand (0,125 mm) 44.9%. The relationship between sea cucumber
abundance and seagrass cover value obtained a coefficient of determination value
of 0.024 including the weak category and a correlation coefficient of 0.15
including the very weak category. Meanwhile, air quality parameters are optimal
for the growth of sea cucumbers and seagrass.
Keywords: Abundance, Echinodermata, Holothuria atra, Seagrass, Sea Cucumber.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: Echinodermata, Holothuria atra, Kelimpahan, Lamun, Teripang, Abundance, Holothuria atra, Seagrass, Sea Cucumber
Subjects: Fisheries And Marine Sciences
Divisions: Faculty of Fisheries and Marine Sciences > Department of Aquatic Resources
Depositing User: pancasila wati
Date Deposited: 27 May 2024 07:01
Last Modified: 27 May 2024 07:01
URI: https://eprints2.undip.ac.id/id/eprint/23117

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