• strict warning: Declaration of taxonomy_facet::build_root_categories_query() should be compatible with faceted_search_facet::build_root_categories_query() in /home3/mekonga1/public_html/sites/all/modules/faceted_search/taxonomy_facets.module on line 399.
  • strict warning: Non-static method view::load() should not be called statically in /home3/mekonga1/public_html/sites/all/modules/views/views.module on line 906.
  • strict warning: Declaration of views_handler_field_comment_username::init() should be compatible with views_handler_field::init(&$view, $options) in /home3/mekonga1/public_html/sites/all/modules/views/modules/comment/views_handler_field_comment_username.inc on line 47.
  • strict warning: Declaration of views_handler_argument::init() should be compatible with views_handler::init(&$view, $options) in /home3/mekonga1/public_html/sites/all/modules/views/handlers/views_handler_argument.inc on line 744.
  • strict warning: Declaration of date_api_argument_handler::init() should be compatible with views_handler_argument::init(&$view, &$options) in /home3/mekonga1/public_html/sites/all/modules/date/includes/date_api_argument_handler.inc on line 398.
  • strict warning: Declaration of views_handler_filter::options_validate() should be compatible with views_handler::options_validate($form, &$form_state) in /home3/mekonga1/public_html/sites/all/modules/views/handlers/views_handler_filter.inc on line 607.
  • strict warning: Declaration of views_handler_filter::options_submit() should be compatible with views_handler::options_submit($form, &$form_state) in /home3/mekonga1/public_html/sites/all/modules/views/handlers/views_handler_filter.inc on line 607.
  • strict warning: Declaration of views_handler_filter_boolean_operator::value_validate() should be compatible with views_handler_filter::value_validate($form, &$form_state) in /home3/mekonga1/public_html/sites/all/modules/views/handlers/views_handler_filter_boolean_operator.inc on line 159.
  • strict warning: Declaration of views_plugin_style_default::options() should be compatible with views_object::options() in /home3/mekonga1/public_html/sites/all/modules/views/plugins/views_plugin_style_default.inc on line 24.
  • strict warning: Declaration of views_plugin_row::options_validate() should be compatible with views_plugin::options_validate(&$form, &$form_state) in /home3/mekonga1/public_html/sites/all/modules/views/plugins/views_plugin_row.inc on line 134.
  • strict warning: Declaration of views_plugin_row::options_submit() should be compatible with views_plugin::options_submit(&$form, &$form_state) in /home3/mekonga1/public_html/sites/all/modules/views/plugins/views_plugin_row.inc on line 134.
  • strict warning: Non-static method view::load() should not be called statically in /home3/mekonga1/public_html/sites/all/modules/views/views.module on line 906.
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INFOGRAPHIC: USAID Mekong ARCC's Ecosystems Service Valuation Country Case Studies

If a tree falls in the forest but no one hears it, did the tree really fall?

You’ve likely heard this well-pondered riddle already so how about this one:

If an entire forest is cleared to build a new highway, but no one knows the existing value of the forest to local communities, does losing the forest really cost local communities anything?

While the concept of “natural capital” is widely recognized, capturing its value can be challenging. How do you compare the loss of the forest and its myriad, though perhaps undocumented, benefits against the cold hard calculations of the economic returns from a new highway? One answer is through ecosystem service valuation, or ESV for short.