21.   Poaching has sharply reduced the population of the endangered saker falcon, threatening the ecological balance in the remote Qinghai-Tibet plateau.

22.   Although acutely aware of the need to preserve ecological balance, these States remain willingly engaged in unsustainable practices.

23.   Along the way, zebra mussels attached themselves to almost any hard surface in lakes and rivers, clogging water pipelines and upsetting the ecological balance in those waterways.

24.   But opponents of the program have argued that their arrival may disrupt the ecological balance in the zone.

25.   DBP considers environmental protection as an important part of its development mandate, taking the view that real progress must be coupled with ecological balance and environmental enhancement.

26.   Misra said the nomads, using slash-and-burn farming techniques, are also upsetting the ecological balance of the southern agricultural areas.

27.   She also stressed on cultivation of herbal plants and protection of wild life for ecological balance.

28.   They said that would threaten the ecological balance of the lakes and canals, and make poor economic sense.

29.   Uncontrolled logging will not only stunt the growth of eco-tourism but it will threaten the ecological balance as well.

30.   Well-planned, intentionally set fires can be an effective tool to maintain some semblance of ecological balance, she said.