Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Solaster endeca"'
Publikováno v:
Current Zoology
Marine invertebrates that move too slowly to evade unfavorable environmental change may instead exhibit phenotypic plasticity, allowing them to adjust to varying conditions. The orange-footed sea cucumber Cucumaria frondosa is a slow-moving suspensio
Autor:
John H. Himmelman, Xavier Janssoone, Helga Guderley, Hernan Pérez Cortes, Isabelle Tremblay, Madeleine Nadeau
Publikováno v:
Marine Biology. 162:1407-1415
To assess whether giant scallops, Placopecten magellanicus use distinct escape strategies to respond to their seastar and crustacean predators, escape responses to two major seastar predators, Asterias vulgaris and Leptasterias polaris, two seastars
Publikováno v:
Deep Sea Research Part II: Topical Studies in Oceanography. 94:333-342
While conditions in shallow-water and deep-sea environments differ markedly, it remains unclear how eurybathic species adapt their life histories to cope with these changes. The present study compared indicators of maternal reproductive investment of
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Publikováno v:
Fisheries Management and Ecology. 17:473-484
Biological traits of the sea cucumber Cucumaria frondosa (Gunnerus) relevant to both ecological and management perspectives were investigated in the Newfoundland region. Abundance, size and fitness of adults were maximal on hard substrates. Larvae se
Autor:
Marc-Olivier Nadon, John H. Himmelman
Publikováno v:
Aquatic Living Resources. 23:167-176
We analyzed stable isotopes of carbon and nitrogen to investigate the trophic structure of the subtidal food web around the Mingan Islands, northern Gulf of St. Lawrence, eastern Canada. All benthic consumers were enriched in 13 C (mean δ 13 C of -1
Autor:
Pavel S. Dmitrenok, Svetlana N. Kovalchuk, E. V. Levina, Valery B. Kozhemyako, Dmitry L. Aminin, A. I. Kalinovskii, S. A. Dyshlovoi
Publikováno v:
Russian Journal of Bioorganic Chemistry. 36:233-239
Four polyhydroxylated steroids, new (20R)-5alpha-cholestan-3beta,6alpha,8,15alpha,24,26-hexaol (I) and known (20R,25S)-5alpha-cholestan-3beta6alpha,8,15beta,16beta,26-hexaol, (20R,25S)-5alpha-cholestan-3beta,6alpha,15beta,16beta,26-pentaol, and marth
Autor:
Julie Davis, Anna Metaxas
Publikováno v:
Journal of the Marine Biological Association of the United Kingdom. 85:1381-1390
The distribution and abundance of benthic megafauna in areas known to be inhabited by dense gorgonian coral assemblages were examined at Northeast Channel, off Nova Scotia, Canada, in August 2001. Using a remotely operated vehicle, 1–5 video transe
Publikováno v:
Journal of Experimental Marine Biology and Ecology. 322:153-165
We dived at regular intervals (8, 12 or 14 h) over periods of 9 to 23 days to quantify the allocation of time to different activities by large adults of the four common sea stars foraging in a sediment bottom community (8 to 11 in depth) in the north
Publikováno v:
Journal of Experimental Marine Biology and Ecology. 313:353-374
We dived at regular intervals (8-, 12- or 24-h) over periods up to 24 days to quantify the feeding activities of identified sea stars along permanent transects in the upper sediment bottom zone (8–11 m deep). In this habitat, large individuals of f