Uploaded on 2015-12-11 by xkyedward

![enter image description here][1] (picture from internet: http://calstrat.com/Offices/CentralValley/tabid/174/Default.aspx central valley just North of Los Angeles is an important food production center for California, and even the entire US. regulating services ![enter image description here][2] trees on mountains just outside of the city could regulate air quality and store water for the city and the region habitat or supporting services ![enter image description here][3] these parks and mountains areas serves as important habit for many wild life and species. cultural services ![enter image description here][4] (picture from internet:http://www.tripadvisor.com/Tourism-g102873-Catalina_Island_California-Vacations.html#photos ) picture shows Catalina Island, one of the most famous tourist destination in Los Angeles Area. and this is a very good example of cultural services of the ecosystem. [1]: https://edxuploads.s3.amazonaws.com/14498265694599549.jpg [2]: https://edxuploads.s3.amazonaws.com/14498268962519911.jpg [3]: https://edxuploads.s3.amazonaws.com/1449827176328146.jpg [4]: https://edxuploads.s3.amazonaws.com/14498272252829966.jpg