PPT-Aquatic Ecosystems

The Aquatic Biome 3 Basic Areas Freshwater rivers lakes Brackish Water estuaries wetlands Marine oceans coral reefs How do ecologist classify Salinity Depth Whether the water is . Petritz Director that all persons shall have equal opportunity and access to the programs and facilities without regard to race color sex religion national origin age marital status parental status sexual orientation or disability Purdue University Emergent aquatic macrophytes Emergent aquatic macrophytes are defined as plants that are rooted in shallow water with vegetative parts emerging above the water surface It is thought that emergent macrophytes are the mo GEOSS Symposium: The Scientific Benefits of Data Sharing. 16 November 2009. Anthony C. Janetos, Director. Joint Global Change Research Institute. Chair, GOFC-GOLD. Outline. The context of ecosystem services. There are two main categories of freshwater ecosystems. What is the main . difference between. these two ecosystems? . Standing water . v. . flowing-water ecosystems. Standing water—staying still, not moving. Abiotic Elements That Affect Our Water. Water Chemistry. Healthy aquatic ecosystems depend upon many factors. One important factor is the chemical balance present in the ecosystem.. Aquatic ecosystems are susceptible to many chemical changes. Usually if the chemistry of a “healthy” ecosystem changes, signs of this change will include sensitive organisms quickly declining in number or disappearing. These types of organisms are called . Unit 4 . – Nutrient Cycles in marine ecosystems. Magnesium:. Used to . make chlorophyll. Ca Cycle:. Ca present in ocean as Ca. 2+ . (calcium ions). From weathering/erosion of . rocks. ; . brought to ocean from runoff of rivers. 4.2 pgs. 94 - 100. Biomes. A large geographical region with a specific range of temperatures and precipitation, and the organisms that are adapted to those conditions of temperature and precipitation. Living things need a place to live and grow.. . Fish live in water.. Birds live in trees and fly through the air.. Plants grow where there is soil, water and sun.. Main Idea and Details. ENVIRONMENT. CHAPTER. Too Much of a Good Thing?. Elephant populations in southern Africa declined sharply due to hunting but have made overwhelming comebacks within nature reserves and parks.. Some worry that elephant overpopulation is causing a decline in local biodiversity and damage to farms and infrastructure.. Aquatic ecosystems are primarily determined by the ecosystem’s . salinity. . Salinity refers to the dissolved salt content of the water.. Aquatic ecosystems are divided into freshwater and marine ecosystems.. All seven species in danger through:. Trawler fishing. Destroyed many coral gardens that are turtle feeding grounds. Turtles hunted for leather. Eggs taken for food. Pollution of ocean water. Case Study: The Plight of Sea Turtles. Ocean Zones & Ecosystems. Freshwater Zones & Ecosystems. Related Ecology. Benthic Division. 6 Areas. . 1. Supralittoral zone. (supra= upper, litus=shore). . Water splashes but does not stay submerged. Section 3: . Aquatic Ecosystems. K. What I Know. W. What I Want to Find Out. L. What I Learned. Essential Questions. What are the major abiotic factors that determine the aquatic ecosystems?. What are transitional aquatic ecosystems and why are they important?. The Fiji Pearl Development Pla. n. was introduced June 7. th. 2017 at World Oceans day by the Fiji Government as one of 16 Voluntary commitments towards the implementation of Sustainable Goal 14..