Giffari, Aninditha (2016) Struktur Komunitas Larva Ikan Pada Area Mangrove Dengan Tipe Perakaran Berbeda Di Pesisir Labuhan, Madura. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Kompleksitas tipe perakaran dan naungan pada mangrove
diketahui memberi efek positif bagi ikan baik larva ikan, juvenil
dan ikan dewasa. Akan tetapi, belum diketahui apakah
kompleksitas akar magrove tersebut juga berpengaruh positif
bagi larva ikan, termasuk di pesisir Labuhan, Madura yang
diproyeksikan sebagai suatu area konservasi mangrove.
Penelitian mengenai struktur komunitas larva ikan pada
mangrove dengan tipe perakaran berbeda di lokasi tersebut telah
dilaksanakan pada periode Maret-April. Sampel larva ikan
dikoleksi menggunakan plankton net dengan mesh-size 0,150 dan
0,265 mm pada enam lokasi yang memepresentasikan tipe
perakaran yang berbeda (akar tunjang, pneumathopore,
campuran akar tunjang dan pneumathopore serta area tanpa
vegetasi). Variabel lingkungan yang diukur meliputi suhu,
salinitas, pH, kecepatan arus, kekeruhan dan kadar oksigen
terlarut .
Diakhir penelitian teridentifikasi enam famili larva ikan
yaitu Gobiidae, Blenniidae, Carangidae, Apogonidae,
Pomocentridae dan Ambassidae .Gobiidae merupakan famili
dengan kelimpahan tertinggi dan tersebar pada semua lokasi.
Hasil Anova dua-arah yang dilanjutkan dengan uji Tukey pada
p=0,05 menunjukkan bahwa faktor lokasi dan waktu
pengambilan sampel serta interajsi antara kedua fator tersebut
memberikan perbedaan yang signifikan terhadap kelimpahan
namun tidak memberikan perbedaan untuk veriabel jumlah taksa. Area mangrove Rhizopora sp yang berakar tunjang memiliki
kelimpahan dan jumlah famili larva ikan tertinggi,
mengindikasikan adanya pengaruh kompleksitas akar mangrove
terhadap komunitas larva ikan. Hasil ordinasi menggunakan
analisis kanonik menunjukkan adanya kecenderungan sebaran
taksa-taksa larva ikan pada lokasi-lokasi tertentu.
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Root complexity and shading are well known to give
positive correlation for both juveniles and adult fishes. However,
it is remain unclear whether that complexity would affect the
community of fish larvae. This study aimed to address the
question, espescially in mangrove area in coastal area in Sepulu,
Madura which projected as a mangrove sanctuary in the future.
Sampling periods are from March to May 2016. The
samples of fish larvae were collected by plankton net (mesh size
0,150 and 0,265mm) from six different locations that representing
different root types (stilt root, pneumatophore, combination of
stlit root-pneumatophore and unvegetated area). Water
temperature, salinitas, pH, current velocity, turbidity, and level of
dissolved oxygen were measured as ambient environtmental
variables.
As the result, six families were identified, namely
Gobiidae, Blenniidae, Pomacentridae, Carangidae, Apogonidae
and Ambassidae, respectively. Gobiidae seems to be the most
abundant and widely dispersed in the area. Result of two way
Anova and Tukey HSD (both at p=0,05) indicate that there were
significant difference in the larval abundance regarding locations,
sampling periods and interaction of both factors. As number of
taxa, significant difference occured only from factors of location
and sampling periods, but not for interaction of both factors.
Highest larval abundance and number of taxa occured in Rhizopora sp (with stlit root), indicating that root complexity
would affect the community of fish larvae. Ordination by
canonical analysis shows that different taxa of the fish larvae are
tend to be distributed on different location
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Additional Information: | RSBi 571.876 Gif s |
| Uncontrolled Keywords: | Larva ikan; pesisir labuhan; struktur larva ikan; tipe perakaran mangrove |
| Subjects: | Q Science > QH Biology > QH75 Nature conservation. Landscape protection. Biodiversity conservation. Endangered species and ecosystems (General). Habitat conservation. Ecosystem management. Conservation biology |
| Divisions: | Faculty of Mathematics and Science > Biology > 46201-(S1) Undergraduate Thesis |
| Depositing User: | ansi aflacha |
| Date Deposited: | 26 Jun 2020 03:53 |
| Last Modified: | 26 Jun 2020 03:53 |
| URI: | http://repository.its.ac.id/id/eprint/76227 |
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