boergesenia forbesii
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2013 ◽  
Vol 1 (2) ◽  
pp. 35
Author(s):  
Agrialin Tampubolon ◽  
Grevo S. Gerung ◽  
Billy Wagey

Alga makro sebagai salah satu sumberdaya yang ada di perairan Indonesia dimanfaatkan sebagai bahan baku makanan misalnya Gracilaria, Euchema dan Kappaphycus, disamping itu juga untuk kebutuhan farmasi, kosmetik, kertas dan cat, alga bernilai ekonomis penting dan memiliki tingkat kegunaan yang tinggi karena komoditas alga laut dapat bermanfaat baik bagi manusia maupun lingkungan perairan sekitarnya. Penelitian ini bertujuan untuk mengetahui jenis-jenis alga makro yang ada di perairan Pulau Pasige, Kecamatan Tagulandang, Kabupaten Sitaro dengan mengidentifikasi jenis-jenis alga makro yang ditemukan. Dari hasil penelitian ini ditemukan ada 9 jenis alga hijau Halimeda macroloba, Halimeda opuntia, Halimeda discoidea, Halimeda incrassata, Caulerpa lentillifera,Caulerpa racemosa, Boergesenia forbesii, Dictyospheria cavernosa, Boodlea coacta 10 alga merah Gracilaria blodgetti, Gracilaria edulis, Laurencia papilosa, Amphiroa fragilisima, Gelidiopsis intricata, Gracilaria verucosa, Acanthopeltis sp, Hypnea sp, Amansia glomerata, Euchema denticulatum dan 2 alga coklat Padina minor, Turbinaria ornata.


Zootaxa ◽  
2007 ◽  
Vol 1577 (1) ◽  
pp. 3-16 ◽  
Author(s):  
YVONNE GRZYMBOWSKI ◽  
KRISTINA STEMMER ◽  
HEIKE WÄGELE

A new sacoglossan species, belonging to the genus Ercolania Trinchese, 1872 is described.  E. kencolesi sp. nov. has a similar biology as E. endophytophaga Jensen, 1999. Both are living within syncytial algal tubes of members of the Siphonocladales, E. kencolesi sp. nov. in Boergesenia forbesii and E. endophytophaga in Struvea plumosa. Assignment to the genus Ercolania is possible on the base of the cerata, which are round in cross-section, the digitiform rhinophores, sabot-shaped teeth and the presence of a penial stylet. The new species can be easily distinguished from E. endophyto-phaga, by the teeth with a prominent cusp, as well as other Ercolania species, by its unique colouration and its peculiar association to the food alga Boergesenia. Feeding, copulation, egg masses and development are noted. Differences in development further strengthen the distinction of E. kencolesi to E. endophytophaga. Measurement of photosynthetic activity of incorporated chloroplasts during several days clearly shows that chloroplasts are digested.


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