Results 1 to 10 of about 528 (141)
Studi Kualitas Sungai Ditinjau dari Kelimpahan Fitoplankton
BIOEDUSAINS: Jurnal Pendidikan Biologi Dan Sains, 2023 The purpose of this investigation is to identify the kinds of phytoplankton that can be found in the Aek Buru River's waters and to gauge the quality of the river's water. Purposive sampling, a sampling approach that considers specific data sources, is the sampling methodology employed.
Isnaini Fitria, Arman Harahap
exaly +2 more sources
Komposisi dan Kelimpahan Moluska (Gastropoda dan Bivalvia)
BIOEDUSAINS: Jurnal Pendidikan Biologi Dan Sains, 2022 This study aims to determine the composition and abundance of mollusks (Gastropods and Bivalves) in the Aek Pala River, Labuhanbatu Regency. The method used is purposive random sampling. Sampling was carried out using a net source. The results showed that the Gastropod groups found were Pachychilidae, Ampullaridae, Littorinidae, Nassaridae, Thiaridae ...
Rani Lasari, Arman Harahap
exaly +2 more sources
Kelimpahan Foraminifera Bentonik Besar
BIOEDUSAINS: Jurnal Pendidikan Biologi Dan SainsThe aim of this research is to determine the abundance of large benthic foraminifera in the study area. This research method is descriptive quantitative. There were 4 thin section samples used in this research, these samples came from cores at a depth of (36m – 39m). The results of the research showed that from the four incisions, 7 variations of large
Diva Putri Faulina, Lili Fauzielly
exaly +2 more sources
Kelimpahan dan pola sebaran gastropoda di Pantai Blebak Jepara
Acta Aquatica, 2018 Tujuan dari penelitian ini adalah untuk mengetahui karakteristik, kelimpahan dan pola sebaran gastropoda di Pantai Blebak Jepara. Penelitian ini berlokasi di Pantai Blebak, Desa Sekuro Kabupaten Jepara. Teknik pengambilan sampel adalah purposive sampling.
Desti Setiyowati
doaj +3 more sources
Kajian Kelimpahan Mikroplastik di Biota Perairan [PDF]
Jurnal Ilmu Lingkungan, 2021 Sampah plastik dapat terdegradasi menjadi mikroplastik (MP) dan nanoplastik (NP) melalui proses fisik, kimia, dan biologis. MP didefinisikan sebagai partikel plastik kecil berukuran < 5 mm. MP saat ini telah ditemukan di tubuh biota perairan, baik perairan permukaan maupun perairan laut.
Saptian Wisnu Sandra +1 more
openaire +2 more sources
Jurnal Agrotek Tropika, 2021 Penelitian bertujuan untuk mengetahui pengaruh genotipe tanaman sorgum dan pengaruh pola tanam terhadap kelimpahan kumbang kubah predator pada tanaman sorgum.
RM Ulin Nadhif +3 more
doaj +1 more source
JFMR-Journal of Fisheries and Marine Research, 2022 Ikan karang merupakan salah satu komponen biotik yang menjadi tolak ukur kondisi keanekaragaman hayati di ekosistem terumbu karang. Perubahan kondisi dasar perairan yang disebabkan baik oleh aktivitas alami maupun antropogenik mampu mengubah kondisi ...
Anthon Andrimida, Fauzul Zain Hardiyan
doaj +1 more source
Jurnal Agrotek Tropika, 2021 Penelitian ini bertujuan untuk mengetahui kelimpahan dan keanekaragaman Arthropoda permukaan tanah di beberapa lokasi pertanaman ubikayu di Provinsi Lampung.
Christ Arissandhi Pandiangan +3 more
doaj +1 more source
KEANEKARAGAMAN DAN KELIMPAHAN LABA-LABA (ARACHNIDA: ARANEAE) PADA PERKEBUNAN KOPI DI JAWA TIMUR
Jurnal HPT (Hama Penyakit Tumbuhan), 2022 Laba-laba memiliki peranan penting dalam agroekosistem khususnya sebagai predator. Penelitian ini bertujuan untuk mempelajari keanekaragaman, kelimpahan, dan komposisi spesies laba-laba pada kondisi habitat yang berbeda di perkebunan kopi.
Muhammad Musthofa Al Akhyar +1 more
doaj +1 more source
Maintaining understory vegetation in oil palm plantations supports higher assassin bug numbers
Ecological Solutions and Evidence, Volume 4, Issue 4, October–December 2023., 2023 Reduced understory vegetation complexity in oil palm plantations leads to a significant drop off in numbers of assassin bugs, which are major pest control agents within the system. This suggests that maintaining understory vegetation in oil palm has the potential to boost both biodiversity and pest control.
Jake Stone +16 more
wiley +1 more source