demersal

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demersal

[də′mər·səl]

(biology)

Living at or near the bottom of the sea.

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Karadeniz trol balikciliginin merkezini olusturan Samsun av filosunun 1980'den itibaren gelisme gostermesi ve cogunlukla balikcilik kurallarina uyulmadan yapilan avcilik; 1990'li yillarin sonuna gelindiginde demersal stoklar acisindan artik av kapasitesini kaldiramayacak duzeye ulasmis ve 2000'li yillarin sonunda da cokme seviyesine gelmistir (Gumus ve Zengin, 2011).

DIP SURUTME AGLARININ BENTIK MAKROFAUNA UZERINDEKI ETKILERI: MARMARA VE KARADENIZ'DEKI GUNCEL DURUM

Similarly a steel tube-like 'bottom sediment sampler' attached to the ground rope of bottom trawls was shown to produce sediment and benthic community samples during commercial trawls for demersal stocks (Almeida et al.

Pathways for sustainable industrial fisheries in southeastern and southern Brazil

The same finding is reported from Greek fisheries which have reported that Helenic demersal and inshore fisheries stocks are overfished (Stergiou et al.

The Effect of Delayed Opening on Yield and Economy of Mullus barbatus Linnaeus 1758 and Upeneus pori Ben-Tuvia and Golani 1989 Fisheries in the Northeastern Mediterranean

The primary hypotheses investigated were the following: 1) the abundance of eggs retained on the bank is a function of wind-driven transport; 2) larval-stage mortality is a function of wind-induced turbulence that promotes feeding, hence better survival; 3) the abundance of pelagic juveniles is related to the number of larvae that survive; and 4) the survival of demersal juveniles to age-1 recruits is a function of density-dependent predation.

Life-stage recruitment models for Atlantic cod (Gadus morhua) and haddock (Melonogrommus oeglefinus) on Georges Bank

Demersal longlines are set in Dubai and Abu Dhabi on a rotation basis in order for each area to be sampled seasonally.

Assessing the need for shark management initiatives in the United Arab Emirates

Palabras clave: Pseudupeneus grandisquamis, reproduccion, demersal, Tehuantepec, ecologia, dominancia, lagunas.

Reproduccion, distribucion y abundancia del pez Pseudupeneus grandisquamis (Perciformes: Mullidae), en el Golfo de Tehuantepec, Mexico

These elasticities also imply that beef and chicken are luxury goods, while other fish and demersal fish are normal goods for Nigeria households consistent with the findings of previous studies.

Consumerism: statistical estimation of Nigeria meat demand

Pisces includes pelagic and demersal fish and coral fish.

Fishery sector has not sufficiently exploited

In addition, benthic egg brooding and hatching implies a demersal larval/juvenile phase (23).

Aggregations of egg-brooding deep-sea fish and cephalopods on the gorda escarpment: a reproductive hot spot

A regional synoptic survey of demersal fish and invertebrates was conducted in 1998 on the continental shelf of the mainland (including bays) and islands of southern California.

Assessment of demersal fish and invertebrate assemblages on the Southern California shelf in 1998. (Abstracts)

3 thousand tonnes of Pelagic and 227 thousand tonnes of Demersal.

food & drink: Trawling the seabed for the best catch

One of the more detailed follow-ups to the Felmersham study came from David Barrat, now of the Demersal Fisheries Program in Canberra, Australia.