Hubungan Panjang Berat Kerang Darah (Anadara granosa) di Perairan Berahan Kulon, Demak

IF 0.5 4区 地球科学 Q3 Earth and Planetary Sciences
Lathifatusy Syifa Alburhana, Wilis Ari Setyati, Sri Redjeki
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引用次数: 0

Abstract

Kerang darah (Anadara granosa) merupakan biota laut dalam kelas bivalvia yang kebanyakan hidup di dasar perairan laut yang berlumpur atau berpasir. Pertumbuhan kerang darah dapat diamati dengan melihat pertambahan ukuran cangkang kerang. Penelitian ini bertujuan untuk mengetahui hubungan antara panjang cangkang dengan berat total dan faktor kondisi kerang darah. Pengambilan sampel dilakukan pada bulan Agustus hingga September 2021 dengan metode purposive sampling pada tiga stasiun berbeda. Parameter morfometri yang diamati meliputi panjang cangkang dan berat total sampel kerang darah. Pengukuran panjang cangkang kerang dilakukan menggunakan jangka sorong. Panjang cangkang kerang diukur dari ujung anterior sampai ujung posterior. Berat total kerang darah diukur menggunakan neraca digital. Pengukuran berat total kerang dilakukan dengan menimbang keseluruhan cangkang dan dagingnya yang masih menyatu. Parameter morfometri kerang darah pada penelitian kali ini memiliki pola hubungan alometrik negatif dimana nilai b < 3 yang berarti pertambahan panjang lebih cepat daripada pertambahan berat. Faktor kondisi menghasilkan nilai yang relatif sama pada setiap stasiun penelitian. Faktor yang mempengaruhi pertumbuhan kerang darah antara lain, adanya perubahan ketersediaan makanan, kondisi perairan yang berubah-ubah pada tiap waktu dan lokasi pengambilan sampel, perbedaan lokasi pengambilan sampel serta adanya proses pemijahan. Blood cockles (Anadara granosa) are marine biota in the bivalves class that mostly live on the bottom of muddy or sandy sea waters. The growth of blood cockles can be observed by looking at the increase in the size of the cockle shells. The purpose of this research is to determine the relationship between shell length and total weight and condition factor of blood cockles. Sampling has been done from August to September 2021 using the purposive sampling method at three different stations. The morphometric parameters observed included shell length and total weight of the blood cockles’ sample. The length of the shells was measured using a caliper. The length of the cockle shell was measured from the anterior end to the posterior end. The total weight of blood cockles was measured using a digital balance. The measurement of the total weight of the cockles was done by weighing the whole shell and the meat that was still fused together. The morphometric parameters of blood cockles in this research have a negative allometric relationship pattern where the value of b < 3 means that the length gain is faster than the weight gain. The condition factor resulted in relatively the same value at each research station. The results of the growth rate of blood cockles showed that Station II and Station III produced a faster growth rate than Station I. Factors that influence the growth of blood cockles are changes in food availability, changing water conditions at each time and sampling location, differences in sampling locations and the spawning process.
德马克 Berahan Kulon 水域血蛤(Anadara granosa)的长度重量关系
双壳贝类(Anadara granosa)是双壳贝类中的一种生物群落,藏身于双壳贝类栖息地。在这里,你可以了解到如何保护野生动物。这本小册子的目的是为了让人们了解如何通过全面的和有说服力的信息来控制人口增长。采样时间为每年的 8 月至 2021 年 9 月,采样方法为在不同的时间段进行有目的的抽样。参数的测量范围是耕地面积和耕地总面积的总和。颅骨切面参数可用于测量颅骨的厚度。前部和后部的肛门疣会逐渐消失。总切口的切除可实现数字化。总角膜厚度的变化反映了角膜厚度和角化的变化。在 2010 年的调查中,总骨龄参数为阴性,而 nilai b < 3 则与总骨龄参数相近。在不同的时间段,相关系数都会增加。它是一种可在日常生活中提高生活质量的关键因素,如水产养殖、水产养殖场、水产养殖场、水产养殖场以及水产养殖专业技术。血蚶(Anadara granosa)是双壳类海洋生物,主要生活在泥质或沙质海水的底部。血蚶的生长可以通过观察蚶壳的增大来观察。本研究的目的是确定血蚶壳长与总重量和状态因子之间的关系。采样工作于 2021 年 8 月至 9 月在三个不同的站点采用目的性采样法进行。观察的形态参数包括血蚶样本的壳长和总重。贝壳的长度用卡尺测量。蚶壳的长度是从前端到后端的长度。使用数字天平测量血蚶的总重量。血蚶总重量的测量是通过称量整个蚶壳和仍融合在一起的蚶肉来完成的。本研究中血蚶的形态测量参数呈负异速关系模式,其中 b 值 < 3 表示长度增长快于重量增长。条件因子导致每个研究站的数值相对相同。影响血蚶生长的因素包括食物供应的变化、各时间段和采样地点水质条件的变化、采样地点的差异以及产卵过程。
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来源期刊
Journal of Marine Research
Journal of Marine Research 地学-海洋学
自引率
0.00%
发文量
1
审稿时长
3 months
期刊介绍: The Journal of Marine Research publishes peer-reviewed research articles covering a broad array of topics in physical, biological and chemical oceanography. Articles that deal with processes, as well as those that report significant observations, are welcome. In the area of biology, studies involving coupling between ecological and physical processes are preferred over those that report systematics. Authors benefit from thorough reviews of their manuscripts, where an attempt is made to maximize clarity. The time between submission and publication is kept to a minimum; there is no page charge.
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