Challenges do our estuaries face

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  • 1. w isearchmo – Internet Web Browser w http://www.isearchmo.com.ph Isearchmo Search Isearchmo Homepage I-search mo Challenges our Estuaries face Search Search Anna Felisa Pascual
  • 2. w Unsafe Drinking water– Internet Web Browser w http://www.estuaries.com/unsafe_drinking_water Isearchmo Search Unsafe Drinking water 1. Unsafe Drinking Water • Because of our love for and dependence on the water, many Filipinos are settling down on estuaries. • Estuaries concentrate pollution may caused by waste waters from urban areas or dumping of toxic waste containing agricultural pesticides and fertilizers.
  • 3. Kenya Panama
  • 4. w Loss of Economic Resources – Internet Web Browser w http://www.estuaries.com/loss_of_economic_resources Isearchmo Search Loss of Economic Resources 2. Loss of Economic Resources • The economy of many coastal areas relies on the natural beauty and bounty of estuaries. When those natural resources are imperiled, so are the livelihoods of the many people who live and work along the coast.
  • 5. w Harmful Algal Bloom– Internet Web Browser w http://www.estuaries.com/lalgal_bloom Isearchmo Search Harmful Algal bloom 3. Harmful Algal Bloom • "Red tide" is a common name for events where certain algae containing reddish pigments "bloom" so that the water appears to be red. • Effects of Algal Bloom on Human Health
  • 6. Boracay’s Algae BloomRed tide in Xiamen, in China’s Fujian Province, April 21, 2007.Red tides are nutrient-fueled blooms of phytoplankton thatdiscolor water with their pigments. Several species are known tohave toxic effects on marine life and pose a risk to human healththrough the consumption of exposed fish.
  • 7. Harmful Algal Bloom A bloom of Nodularia spummigena, a blue green algae. (W. Carmichael)
  • 8. w Reduction of Fisheries– Internet Web Browser w http://www.estuaries.com/reduction_of_fisheries Isearchmo Search Reduction of Fisheries 4. Reduction of Fisheries • Upstream water diversions and damming (for irrigation, hydropower, flood protection, etc.) have resulted in changes in the quantity, rate, and timing of freshwater flow and the reduction of sediment and nutrient discharge into estuaries. Overall effects can range from increased coastal erosion because of reduced sediment input to reductions in commercial fishery species because of increases in estuarine salinity.
  • 9. w Loss of Habitat and…– Internet Web Browser http://www.estuaries.com/loss_of_habitat_and_wildlife_due_to_development Isearchmo Search 5. Loss of Habitat and Wildlife w Loss of Habitat and… due to Development limited the • Wetland loss and degradation have amount of habitat available to support healthy populations of wildlife and marine organisms. The clearing of land to obtain timber, the construction of homes and roads, and other development projects completed without properly vegetating the area can lead to excessive sediments being washed into the estuarine environment.
  • 10. w Host of other Humsn…– Internet Web Browser w http://www.estuaries.com/host_of_other_human_health_and_natural_resources Isearchmo Search Host of other human… 6. Host of other Human Health and Natural Resources • The economy of many coastal areas relies on the natural beauty and bounty of estuaries. When those natural resources are imperiled, so are the livelihoods of the many people who live and work along the coast.