PHILLIPPINE FRESH WATER

WHAT IS FRESH WATER?Freshwater is salt free water or it is not sea water. It occurs naturally on the

earth's surface.There are different types of freshwater regions: ponds and lakes, streams and

rivers, and wetlands. Freshwater is found inland and away from the sea. Freshwater is defined as having a low salt concentration—usually less than

1%.

Running waterExamples: Rivers, streams, creeksFresh waterCan last many thousands of yearsHigher percentage of dissolved oxygen in water, due to water flowingAnimals must be adapted to survive in high oxygen contentLower salt contentFed by melting snow and rainAnimals must prevent excess water in bodies.Fish must be able to survive in flowing water.

LOTIC ECOSYSTEM

PUERTO PRINCESA UNDERGROUND RIVER ENCHANTED RIVER, SURIGAO DEL SUR

RIVERS

PHILIPPINE FRESHWATER CROCODILE

PHILLIPPNE RIVER PURPLE CRAB PHILLIPPINE TURTLE

LENTIC ECOSYSTEM

Standing water

Examples: Lakes, ponds, swamps

Fresh water

Usually only last from a few hundred to a few thousand years

Lower percentage of dissolved oxygen, especially in deeper water

Higher salt content as water evaporates over time

Animals must prevent excess water in bodies.

CRATER LAKE OF MT. PINATUBO

CRATER LAKE OF MT. TAAL

LAKES

TILAPIA BANGUS