What are the disadvantages of animals in forest?

Answer 1

Provided the animals are indigenous to that area there are no disadvantages except one (Come back to it in a moment). Indigenous animals create a 'balance' in that they eat the vegetation aat a rate to stop soil depleation, they fertilise the soil with manures, they assist with the spread to seed and pollens. Now for the one disadvantage. If any species becomes overpopulous then it can upset the balance through various means. Whilst I was living in Africa, one of the game reserves had too many elephants. They over fed on the trees causing shortages for other species and soil erosion when trees died. The elephants had to be culled. I have seen the same thing here in Australia with Kangaroos killing off natural grasslands and Koalas killing off Manna Gum trees. In all of these instances, the hand of people caused these problems. We protect animals from poachers, the animals grow too numerous, or we save animals from housing increases and again theu get too numerous or we introduce a non idigenous species into an area and it causes no end of grief (Cane toad in Queensland Aus, Crown of Thorns starfish on Great Barrier Reef, Rabbits in all of Australia, European Wasp Australia, Carp Fish in Australia) These are just a few in one country. In U.S.A., U.K., parts of Europe and elsewhere, non indigenous species have caused the extinction or near extinction of local flora and fauna.