Results 101 to 110 of about 23,637 (195)

Description of a New Species of Aquilonastra (Asteroidea: Valvatida: Asterinidae) from Langkawi Island, Malaysia

open access: yesSpecies Diversity
A new species of Aquilonastra O’Loughlin in O’Loughlin and Waters, 2004 is described on the coast of Langkawi Island, Malaysia. This new species is distinguished from 32 congeners based on the number of arms, madreporites, superomarginal and ...
Itaru Kobayashi   +4 more
doaj   +1 more source

Methods of conceptual clustering and their relation to numerical taxonomy [PDF]

open access: yes, 1985
Artificial Intelligence (AI) methods for machine learning can be viewed as forms of exploratory data analysis, even though they differ markedly from the statistical methods generally connoted by the term.
Fisher, Douglas, Langley, Pat
core   +1 more source

Isolation and identification of bacterial endosymbionts in the brooding brittle star Amphipholis squamata [PDF]

open access: yes, 2016
Symbiotic associations with subcuticular bacteria (SCB) have been identified and studied in numerous echinoderms, including the SCB of the brooding brittle star, Amphipholis squamata.
Tedford, Abbey Rose
core   +1 more source

An analysis of the meroplankton assemblages of Station L4 and the development and application of molecular techniques to aid taxonomic resolution. [PDF]

open access: yes, 2012
Zooplankton data from the 1988-2007 Station L4 time-series were used to determine inter-and intra-annual patterns of meroplankton community change at Station L4, Plymouth, UK.
Highfield, James
core   +1 more source

Interannual variability of epibenthic communities in the Chukchi Sea, Alaska [PDF]

open access: yes, 2015
Thesis (M.S.) University of Alaska Fairbanks, 2015Epibenthic communities contain a wide range of organisms and serve an important role in marine ecosystems.
Powell, Kimberly Keeler
core  

Biological Characteristics and Fishery Assessment of Alaska Plaice, Pleuronectes quadrituberculatus, in the Eastern Bering Sea [PDF]

open access: yes, 1998
Alaska plaice, Pleuronectes quadrituberculatus, is one of the major flatfishes in the eastern Bering Sea ecosystem and is most highly concentrated in the shallow continental shelf of the eastern Bering Sea.
Walters, Gary E.   +2 more
core  

SALMFamide salmagundi: The biology of a neuropeptide family in echinoderms [PDF]

open access: yes, 2014
Ajayi   +71 more
core   +1 more source

A study of tagging methods for the sea cucumber Cucumaria frondosa in the waters off Maine [PDF]

open access: yes, 2006
The sea cucumber fishery in waters off Maine is developing and has recently experienced great increases in landings, corresponding to expanding export markets. Between 1994 and 1996, reported landings ranged from one to three million pounds (Fig. 1).
Chen, Yong   +2 more
core  

Sandfish hatchery techniques [PDF]

open access: yes
Sandfish is arguably the most commercially valuable of the tropical species of sea cucumber that are processed into bΩche-de-mer. It is widely distributed throughout the Indo-Pacific, occurring in shallow inshore areas where it is easily accessible to ...
ACIAR, Agudo, N., SPC, WorldFish Center
core  

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