Penelitian yang bertujuan untuk mengidentifikasi karakteristik habitat bertelur burung Mamoa (Eulipoa wallecei) dan uji penetasan telur secara semi alami (in-situ) telah dilakukan di Desa Simau Kecamatan Galela Halmahera Utara. Penelitian dengan teknik observasi atau pengamatan dilakukan secara langsung di lapangan tepatnya di lokasi habitat bertelur burung Mamoa (Eulipoa wallecei) yang berada di Desa Simau, untuk mengetahui variasi harian iklim mikro lubang pada pasir sebagai habitat bertelur burung Mamoa, dan penelitian di laboratorium untuk menguji kandungan logam dalam pasir sehingga diketahui tingkat konduktivitas termalnya, serta dilakukan uji penetasan secara semi alami (in-situ) pada kedalaman 40, 60 dan 80 cm untuk mengetahui presentase daya tetas, waktu inkubasi dan mortalitasnya. Hasil penelitian menunjukkan karakteristik habitat bertelur burung Mamoa di Desa Simau kecamatan Galela Kabupaten Halmahera utara yang dikaji berdasarkan kajian mikroklimat menujukkan fluktuasi suhu dan kembaban yang bervariasi berdasarkan kedalaman dan waktu pengamatan, dimana rata-rata suhu maksimum terjadi pada saat siang hari dan suhu minimumnya terjadi saat malam hari, sementara kelembaban terendah terjadi saat siang hari dan nilai tertingginya terjadi pada saat malam hari. Kadungan terbesar dalam pasir sebagai habitat bertelur burung Mamoa Desa Simau adalah unsur Fe (Besi) sebesar 58,59 % dengan sifat konduktivitas termal yang tinggi. Terdapat perbedaan pada daya tetas dan lamanya inkubasi penetasan telur secara in-situ (semi alami) pada kedalaman 40 cm, 60 cm dan 80 cm, dimana daya tetas terbesar yang mencapai presentase 100 % berada pada kedalaman tanam 80 cm dengan rata-rata waktu inkubasi yang paling cepat sekitar 67,3 hari.
The flow rate of watershed is in the form of volume flow rate of water through a river cross section per unit time. Data discharge or flow is the most important information for the management of water resources , as given by the community water needs depend on the availability of water in a watershed, especially in the dry season.This study aims to investigate the characteristics of flow in the watershed of Tunuo and it is useful for the planning of sustainable water management. This research was carried out by means of direct measurement of the flow rate in the watershed with the stage as follows: measurements of the river profile and flow rate as well as direct observation of the climate conditions. The analysis used using Debit hydrograph analysis that describes the amount of time required for the discharge is increased in a particular rain event as well as the use of biophysical parameters i.e. watershed topography, soils and land cover conditions .Discharge characteristics based on the analysis of hydrograph explain the rise time discharge after rain event into the peak discharge in the Tunuo watershed takes over 5 hours while the time (base time) is about 16 hours. This is due to the role of biophysical factors of the Tunuo watershed in inhibiting the flow rainwater as dominant topography of watershed (flat and sloping)and also forest vegetation cover and mixed farms is still dominant.
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