Demersal fisheries

The total annual landings of demersal fish from the English Channel during 1976 were approximately 20 000 tonnes. This is equivalent to approximately 0.25 g wet wt-m-2-yr-1, or 0.04 g dry wt-m-2-yr-1. If the calorific value of the fish is taken as 5 kcal-g-1 dry wt, the energy content of the catch was 0.2 kcal-m-2-yr-1 or 82 X 109 X 0.2 = 16.4 X 109 kcal-yr-1 for the whole area. As a proportion of the annual production of demersal fish, the fishing yield amounted to

Was this article helpful?

0 0
Enneagram Essentials

Enneagram Essentials

Tap into your inner power today. Discover The Untold Secrets Used By Experts To Tap Into The Power Of Your Inner Personality Help You Unleash Your Full Potential. Finally You Can Fully Equip Yourself With These “Must Have” Personality Finding Tools For Creating Your Ideal Lifestyle.

Get My Free Ebook


Post a comment