Презентация на тему: Harbour porpoises
Harbour porpoises The harbour porpoise is one of the six species of porpoises.
The harbour porpoises grow to 1.5m-2m. The females are heavier at about 76kg compared with males’ 61kg
The harbour porpoises live in coastal waters of the North Atlantic, the North Pacific and the Black sea
They eat small fish: herring and sprat
Harbour porpoises were traditionally hunted for food. Thousands of them were caught there until the 19th century. Dirty water, chemicals from the factories cause the death of the animals. The main threat to porpoises is static fishing techniques such as gill and tangle nets.
How can people save these wonderful animals? People mustn’t use tangle nets and gill in areas where porpoises live People mustn’t pollute water People mustn’t hunt these animals
The harbour porpoises have a global population of 700.000. They are not extinct animals.
