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RUAYA

RUAYA. RUAYA/MIGRASI. * MENGETAHUI BATASAN DAERAH SUB POPULASI BERADA. PEYAKINAN/ PENYESUAIAN THD KONDISI YANG MENGUNTUNGKAN AKTIF & PASIF. RUAYA ----> RANGKAIAN SIKLUS HIDUP. SPAWNING GROUND. SPAWNING MIGRATION. FEEDING MIGRATION. SPAWNING MIGRATION. FEEDING MIGRATION.

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RUAYA

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  1. RUAYA

  2. RUAYA/MIGRASI * MENGETAHUI BATASAN DAERAH SUB POPULASI BERADA PEYAKINAN/ PENYESUAIAN THD KONDISI YANG MENGUNTUNGKAN AKTIF & PASIF

  3. RUAYA ----> RANGKAIAN SIKLUS HIDUP SPAWNING GROUND SPAWNING MIGRATION FEEDING MIGRATION SPAWNING MIGRATION FEEDING MIGRATION OVER WINTERING GROUND FEEDING GROUND OVER WINTERING MIGRATION

  4. 1. SPAWNING MIGRATION - GERAKAN DR FEEDING / OVER WINTERING --> SPW - MENDAPAT TEMPAT MENGUNTUNGKAN - MISAL: M CONSTRANATAN (ANADROMUS) --> SALMON M DENATAN (KATADROMUS) --> SIDAT 2. FEEDING MIGRATION - GERAKAN DR SPAWNING/ OVERWINTERING --> FEEDING - MIGRASI TELUR (PASIF), MIGRASI INDUK AKTIF

  5. 3. OVERWINTERING MIGRATION - GERAKAN DR SPAWNING/ FEEDING ---> LOKASI BAIK - UTK KEPENTINGAN BIOLOGIS --> SIKLUS HIDUP KEPENTINGAN NON BIOLOGIS

  6. FAKTOR RUAYA 1.FAKTOR LUAR LINGKUNGAN LGS/TIDAK MEMPENGARUHI RUAYA PERGERAKAN (TAKSIS) * THROPOTAKSIS BROMO BRANCHIO TERMO PHOTO CHIMIO RHEO * SENSOR TAKSIS * REPRODUKTIF GAMOTAKSIS

  7. 2. FAKTOR DALAM YANG TERDAPAT DALAM TUBUH MISAL : SEKRESI KELENJAR HORMON • CARA MENDUGA RUAYA • MARKING DAN TAGGING • RADIOISOTOP • TAGGING BIOLOGIS

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