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Officials are seeking to protect a small environment on Java island 【小题1】 is home to an endangered population of gibbons(长臂猿). Also known as the silvery gibbon, the primate(灵长目动物) is only found on Java, Indonesia’s most populous island. The animals help forest areas healthy 【小题2】 spreading seeds around the area. But conversation groups say the gibbons’ habitat is 【小题3】(increasing) under threat because of climate change and human activities.The local group SwaraOwa says it 【小题4】 (observe) a population of about 400 gibbons living in a 73-kilometer 【小题5】(protect) area in the Petungkriyono Forest in central Java. Researcher Arif Setiawan said as many as 70 groups are often seen in the forest, compared to about 50 in 2012. But he warned that 【小题6】 (they) habitat is still under threat. SwaraOwa and the government hold meetings with members of the local community each month in an effort 【小题7】(raise) awareness of the issue.They have also posted signs in the area stating that hunting and logging are not permitted in the forest.In one project, officials work with local village chiefs to produce shade-grown coffee as 【小题8】 business. This kind of growing can 【小题9】(do) without harming forest land.SwaraOwa also operates nature tours, including overnight visits, for 【小题10】(visit) coming to the area.