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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

RUAYA


Ruaya

RUAYA/MIGRASI

* MENGETAHUI BATASAN DAERAH SUB POPULASI

BERADA

PEYAKINAN/ PENYESUAIAN THD KONDISI YANG

MENGUNTUNGKAN

AKTIF & PASIF


Ruaya

RUAYA ----> RANGKAIAN SIKLUS HIDUP

SPAWNING GROUND

SPAWNING

MIGRATION

FEEDING

MIGRATION

SPAWNING

MIGRATION

FEEDING

MIGRATION

OVER WINTERING

GROUND

FEEDING

GROUND

OVER WINTERING

MIGRATION


Ruaya

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


Ruaya

3. OVERWINTERING MIGRATION

- GERAKAN DR SPAWNING/ FEEDING ---> LOKASI BAIK

- UTK KEPENTINGAN BIOLOGIS --> SIKLUS HIDUP

KEPENTINGAN NON BIOLOGIS


Ruaya

FAKTOR RUAYA

1.FAKTOR LUAR

LINGKUNGAN LGS/TIDAK MEMPENGARUHI RUAYA

PERGERAKAN (TAKSIS)

* THROPOTAKSIS

BROMO

BRANCHIO

TERMO

PHOTO

CHIMIO

RHEO

* SENSOR TAKSIS

* REPRODUKTIF

GAMOTAKSIS


Ruaya

2. FAKTOR DALAM

YANG TERDAPAT DALAM TUBUH

MISAL : SEKRESI KELENJAR HORMON

  • CARA MENDUGA RUAYA

  • MARKING DAN TAGGING

  • RADIOISOTOP

  • TAGGING BIOLOGIS


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