Results 31 to 40 of about 3,079 (201)

Spatial Pattern in Beta Diversity of Echinoidea and Asteroidea Communities from the Coastal Area of Tomia Island, Wakatobi Marine National Park, Southeast Sulawesi, Indonesia

open access: yesBiotropia: The Southeast Asian Journal of Tropical Biology, 2015
The present study was aimed to elucidate the spatial pattern in the beta diversity of marine bentic for Echinoidea and Asteroidea that assemblages the coastal area of Tomia Island, Wakatobi Marine National Park, Indonesia.
Kangkuso Analuddin   +6 more
doaj   +1 more source

Phylogeny, ancestral ranges and reclassification of sand dollars

open access: yesScientific Reports, 2023
Classification of the Class Echinoidea is under significant revision in light of emerging molecular phylogenetic evidence. In particular, the sister-group relationships within the superorder Luminacea (Echinoidea: Irregularia) have been considerably ...
Hsin Lee   +15 more
doaj   +1 more source

Literature Study: Diversity level of coastal echinoidea as a source of biology learning materials for biodiversity

open access: yesEdubiotik : Jurnal Pendidikan, Biologi dan Terapan, 2021
The diverse learning resources around students' lives have not been optimally utilized in learning. Learning resources are one of the important things in improving the learning process, the surrounding environment can be used as an effective and ...
Muhamad Fahad Alfazali   +2 more
semanticscholar   +1 more source

Echinoidea from Western Persia [PDF]

open access: yesGeological Magazine, 1920
THE Geological Department of Glasgow University has recently received from Dr. W. R. Smellie and Mr. J. V. Harrison some fossils collected by them which throw further light on the age of the limestones of the Persian arc at the north-western end of Luristan, about 100 miles north-east of Baghdad.
J. W. Gregory, Ethel Currie
openaire   +1 more source

Sea Urchin (Echinoidea) Distribution and Abundance in the Intertidal Zone of Bengkayang Regency

open access: yesBiosaintifika: Journal of Biology & Biology Education, 2018
Sea urchins is the member of Echinoidea. This species can be found in tropical marine water to the poles. The study aimed to know the types, the abundance and spread of sea urchins in Bengkayang Regency. The research, used the transect method.
Andi Ristanto   +2 more
doaj   +1 more source

Sea Urchen (Echinoidea) Diversity in the Coastal Area at Mawasangka District, Central Buton Regency

open access: yesPrisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram, 2022
Sea urchins are marine invertebrates that are grouped in the Echinoidea class and Echinodermataphylum. Mawasangka is a district that has a large coastal area with a fairly good seagrass and coral reef ecosystem that plays an important role in the life ...
Maretik Maretik   +2 more
doaj   +1 more source

Preliminary report on Echinoidea and Asteroidea (Echinodermata) of the Joint Chilean-German-Italian Magellan Victor Hensen Campaign, 17 October - 25 November 1994

open access: yesScientia Marina, 1999
Part of the echinoderm material (Echinoidea and Asteroidea) sampled by 59 Agassiz trawls during the Victor Hensen Campaign 1994 is summarized in a preliminary species list.
Alberto Larraín   +3 more
doaj   +1 more source

The first complete mitochondrial genome of the sand dollar Sinaechinocyamus mai (Echinoidea: Clypeasteroida).

open access: yesGenomics, 2020
Morphologic and molecular data often lead to different hypotheses of phylogenetic relationships. This is also true in the echinoderm class Echinoidea. In particular, the phylogenetic status of the order Clypeasteroida is not well resolved.
Jih-Pai Lin   +10 more
semanticscholar   +1 more source

Gonadal growth and reproduction in the sea urchin Sphaerechinus granularis (Lamarck 1816) (Echinodermata: Echinoidea) in southern Spain

open access: yesScientia Marina, 2008
The gonadal index and reproductive state of the sea urchin Sphaerechinus granularis were studied for a year in three populations from southeast Spain.
Inés Martínez-Pita   +2 more
doaj   +1 more source

Biodiversitas Echinodermata pada Ekosistem Lamun di Perairan Pulau Karimunjawa, Jepara

open access: yesJurnal Kelautan Tropis, 2020
The seagrass ecosystem is an important ecosystem as the place of feeding ground, nursery ground, and spawning ground. One of the biotas living in the seagrass was Echinoderms.
Reni Ria Yunita   +2 more
doaj   +1 more source

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