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50 years in the past

Some indicators point out that the dimensions of the shrimp harvest will rely much less on the chilly of the winter. Mr. R. Reeve of the Fisheries Experimentation Station on the Division of Agriculture in Conway, North Wales, has simply reported success with laboratory cultures starting from eggs to grownup shrimp … The present dependence on copy of untamed shrimp shares, Palaemon serratus, is harmful – for instance, shares are solely slowly recovering from the extreme results of the chilly winter of 1962-1963. What is required in Britain and different international locations dealing with comparable offshore farming issues is a managed provide of shrimp for breeding, just like the Japanese industrial shrimp and shrimp. Conway's work is only one of many makes an attempt to develop crustacean seafood in lots of elements of the world. On this case, shrimps … have been saved in seawater ponds the place egg-bearing females carrying eggs hatched the younger larvae.

From Nature September 6, 1969

100 years in the past

The Occasions of August 18th contained an fascinating article on the scops-owl which threatened poultry and recreation. This hen was not native to the British Isles, however it was launched in a number of elements of England a couple of quarter of a century in the past by a number of reputed ornithologists, who couldn’t concentrate on its dangerous addictions . Other than his vices, he’s a beautiful little hen. Since its introduction, it has elevated very quickly and is now widespread in England. Some have unfold to Wales, Scotland and Eire. Wherever he has established himself, he has change into a scourge to poultry farmers and recreation wardens due to the ravages he makes amongst chicks … Though the owl's entice is, for essentially the most half, black, … however it should be acknowledged. destroys numerous small rodents, similar to voles, in addition to beetles and different bugs, and thus renders sure companies to the farmer.

From Nature September four, 1919

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