Agriculture is therefore also responsible for much of fresh water over-exploitation.

There's such a thing as over-exploitation, you know, and leaving the landscape exhausted.

Concerns about over-exploitation of this resource has been raised lately.

Habitat loss and over-exploitation account for part of the problem, but many other processes seem to be at work.

Over-exploitation can be devastating to a colony, or even to an entire population of a colonial species.

Due to over-exploitation it is now a protected species.

He attributed the collapse to deforestation and over-exploitation of all resources.

These species are slow growing and they are particularly vulnerable to over-exploitation.

Can we develop simple and cheap alternatives to over-exploitation?

Over-exploitation has reduced its populations to the point that some have apparently disappeared and others need protection.

The agreements lead to over-exploitation of fishing waters, which hits the local populations.

Concerns were raised about previous over-exploitation, but catch numbers have since recovered to levels of around 150-170 tonnes per year.

Most of the water comes from the Kasai river, which is shrinking in size every year due to over-exploitation.

These are examples of the fishery sector facing severe problems due to over-exploitation.

It is likely that past over-exploitation is responsible for their current rarity.

Population growth and development result in heavy deforestation, pollution, and over-exploitation.

Due to past over-exploitation, little is now cut.

The fixing of dates was critical in preventing over-exploitation.

Over-exploitation and misuse cannot be explained by poverty alone.

Mud crabs have been cultivated in Australia for many years, sometimes leading to over-exploitation.

Even in the best conditions a population is unlikely to increase more than 5% a year, leaving dugongs vulnerable to over-exploitation.

It is not right to say that the implementation of the agreement will lead to over-exploitation of fishing resources.

Expulsion should not be the alternative to over-exploitation of illegally staying migrant workers.

It is now threatened by over-exploitation, lack of regeneration and difficulties in cultivation.

However over-exploitation often results in a Hubbert peak nonetheless.

"In many cases, there is serious overexploitation of available water resources."

The difference is made up by the overexploitation of groundwater.

Much of this overexploitation is due to poor institutional control.

For example, a large number of fish species are in a bad way due to overexploitation, among other causes.

Some species are at risk from overexploitation as medicinal plants.

Sustained overexploitation can lead to the destruction of the resource.

Overexploitation is one of the five main activities threatening global biodiversity.

This approach has led to overexploitation of stream systems.

It is threatened by habitat loss and overexploitation for timber.

Overexploitation has reduced its populations to the point where some have disappeared and others need protection.

Because of its overexploitation for this purpose, the tree is considered an endangered species.

This fact and the environmental ethics of the tribe discourage overexploitation.

Groundwater overexploitation is a serious problem in parts of Senegal.

When the populations are declining due to overexploitation, each viable individual is important.

Overexploitation of water resources has caused the water-table to drop.

Several species are endangered due to overexploitation and habitat destruction.

The aim was to preserve wild plants and animals from commercial overexploitation.

"Primates, in general, are known to be extremely vulnerable to overexploitation."

Our environment is constantly losing its biodiversity with much pollution and overexploitation.

There were also cases of land subsidence due to groundwater overexploitation.

Overexploitation over the past three decades has reduced the country's timber resources by one-half.

Often the tropical species are especially threatened by habitat destruction and overexploitation.

However it is also possible for overexploitation to be sustainable, as discussed below in the section on fisheries.

Today, overexploitation and misuse of natural resources is an ever present threat for species richness.

Overexploitation of species can result in knock-on or cascade effects.

So there has been much legislation to prohibit their overharvesting.

Overharvesting of large animals in China is a serious threat not only to this species.

Such overharvesting has helped to bring about the fishing industry's drastic decline.

Overharvesting has caused several species to become endangered in areas where they were once abundant.

Some of these species are severely depleted from continuous overharvesting.

Overharvesting has been a problem in the North Sea since the 1960's.

The overharvesting of oysters has made it difficult for them to reproduce, which requires close proximity to one another.

Overharvesting of leaves of wild plants have reduced leaf size.

Japan and other Asian countries began buying locos 20 years ago, but the effects of overharvesting were not realized until the late 80's.

Overharvesting is weakening the ability of reefs to replenish after other harmful events.

This chronic overharvesting has led to the decline of the wild Siamese crocodile.

Overharvesting, human interference with habitat through jetty construction or other activities are possible culprits.

Overharvesting can speed up this process.

The purpose of this program was to regulate the overharvesting of freshwater mussels.

Overharvesting of the species for commercial purposes led to a decline in the population of this snail.

Overharvesting is the main threat to North Pacific hake.

But it's mighty hard when you're fighting overharvesting, pollution and diseases that are mostly a mystery to scientists."

Overharvesting, pollution, sedimentation and disease has turned much of the bay's bottom into a muddy wasteland.

Overharvesting has contributed to local extirpations.

Overharvesting of medicinal species of plants and animals also contributes to species loss.

(Overharvesting of Brazil nuts as threat to regeneration.)

By the 1920's, industrialization and overharvesting had destroyed the population, along with those of other oysters that once populated New York's waters.

Overharvesting of ocean fauna is particularly troubling as yields of coral reef fish species are an important food source for island populations.

However, the combined effects of 47 villages, with a total population of around 50,000 has meant that overharvesting of marine species has become a problem.

Its leaves are used for thatching and food wrapping, and overharvesting has resulted in its leaf size becoming smaller.