نتایج جستجو برای: plankton in ropme sea area

تعداد نتایج: 17047964  

2010
Grégory Beaugrand Richard R. Kirby

Recent strategies to sustain fish stocks have suggested a move towards an ecosystem based fisheries management (EBFM) approach. While EBFM considers the effect of fishing at the ecosystem level, it generally struggles with climate-driven environmental variability. In this study we show that the position of a fish stock within its distributional range or thermal niche (we use Icelandic and North...

Journal: :Journal of the Marine Biological Association of the United Kingdom 1950

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان - دانشکده ادبیات و علوم انسانی 1391

abstract governing was disorganized for years, when mongols attached to iran and it caused to clearing way for interference of mongols princes. dispatching of holaku to the west culminated in establishing iilkhanan government. holakus activities in destruction of abbaasis government and activities which shows his staying in iran, made force oulus juji to comparison against iilkhanis gover...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده ادبیات و زبانهای خارجی 1390

the frame semantic theory is a nascent approach in the area of translation studies which goes beyond the linguistic barriers and helps us to incorporate cognitive and cultural factors to the study of translation. based on rojos analytical model (2002b), which centered in the frames or knowledge structures activated in the text, the present research explores the various translation problems that...

Journal: :Lancet 2001
J Shafer D Falzon I Small D Kittle N Ford

Journal: :The journal of cetacean research and management 2023

This paper investigates the distribution of Mediterranean fin whales (Balaenoptera physalus) between 1990-99 in recently-established Pelagos Sanctuary for Conservation Marine Mammals. During study period, 870 days were spent at sea, surveying a total 73,046km, totalling 540 sightings whales. Mean yearly whale encounter rates showed no significant differences first five years, but then steadily ...

Journal: :South of Russia: ecology, development 2014

2004
Deborah K. Steinberg Norman B. Nelson Craig A. Carlson Anne C. Prusak

Chromophoric (or colored) dissolved organic matter (CDOM) has been identified as a major determinant of the optical properties of oligotrophic oceans. The factors controlling distribution of CDOM far from the direct influence of land are not well known, as CDOM abundance and distribution does not directly correlate with phytoplankton productivity or biomass, or with dissolved organic matter (DO...

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