'Eutrophication' diaporamas de présentation

Soil Phosphorus Issues

Soil Phosphorus Issues. Miguel Cabrera and David Radcliffe Crop and Soil Sciences University of Georgia. Intended Outcomes. Understand how P affects water quality Understand how P behaves in soil Understand why manures present a special problem with P

833 views • 63 slides

Introduction to Vadose Zone Hydrology

1. Introduction to Vadose Zone Hydrology. Course objectives. CE/ENVE 320-03 provides theoretical and experimental foundation for understanding and quantifying physical and hydrological properties of soils and other porous media.

895 views • 36 slides

Leaving Certificate Agricultural Science

574 views • 33 slides

Overview of DEP Climate Change Integrated Modeling Project: Present Activity and Future Goals

Water Quality. New York City Department of Environmental Protection. Bureau of Water Supply. Overview of DEP Climate Change Integrated Modeling Project: Present Activity and Future Goals. Donald C. Pierson, Elliot M. Schneiderman, Mark S. Zion, David Lounsbury, and Donald Kent

479 views • 30 slides

THE NITROGEN CYCLE IN SURFACE WATERS

THE NITROGEN CYCLE IN SURFACE WATERS. PHYTOPLANKTON ELEMENTAL COMPOSITION. O 53% C 27% K 6.2% H 5.5% N 4.6% Ca 1.0% S 0.7% Na 0.7% P 0.5%. Fe 0.4% Mg 0.4% Zn 0.3% Cu 0.02% B 0.01% Mn 0.009% Co 0.0006% V 0.0006% Mo 0.0001% Si 0.1%; DIATOMS 20%. N 2.

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Eutrophication

Eutrophication. EUTROPHICATION. Harmful changes in water caused by too much fertilizer or nutrients getting into the water. Oligotrophic lake with a low level of nutrients. Artificial input of nutrients from run-off and discharge of effluent.

814 views • 29 slides

Embodied and operational energy use of buildings: How sustainable are energy savings?

Embodied and operational energy use of buildings: How sustainable are energy savings?. 13 June 2009. Laure Itard. Renovation of a row dwelling built between 1966-1976. 1. Insulation envelope. 2. HR++-glas. 3. High efficiency boiler (HR107). 4. HR boiler + heat pump boiler.

358 views • 28 slides

Class 15a: Water resources

416 views • 27 slides

Potential Impacts of Climate Change on Water Quality in the New York City Water Supply System

Water Quality. New York City Department of Environmental Protection. Bureau of Water Supply. Potential Impacts of Climate Change on Water Quality in the New York City Water Supply System. Mark S. Zion, Elliot M. Schneiderman and Donald C. Pierson

450 views • 24 slides

Eutrophication in Water bodies

Eutrophication in Water bodies. By: Kelly Toy. Overview. What is Eutrophication Eutrophication management Experiments Nitrogen or Phosphorus control Debate Case Study: Baltic Sea Recommendations. 1. What is Eutrophication?. Definition Sources Process Importance.

1.52k views • 22 slides

Examining Human Impacts on Global Biogeochemical Cycling via the Coastal Zone & Ocean Margins

Examining Human Impacts on Global Biogeochemical Cycling via the Coastal Zone & Ocean Margins. L. Talaue-McManus Rosenstiel School of Marine & Atmospheric Science University of Miami JGOFS Open Science Meeting, May 5-8, 2003 Washington, D. C., USA. Shelf area = 7 % of ocean surface.

343 views • 21 slides

Marine Strategy Framework Directive: Goals and Challenges

Marine Strategy Framework Directive: Goals and Challenges. Johanna Karhu EU Marine and Fisheries Policy Officer Birdlife Europe. MSFD adopted in July 2008 Transposed into national law Aim: Take measures to maintain or achieve good environmental status (GES) by 2020:.

425 views • 20 slides

Water Pollution

309 views • 18 slides

350 views • 15 slides

Ecology

Ecology. Energy Flow in an Ecosystem. Trophic Levels Ecologists use food chains & food webs to model the flow of energy through an ecosystem Each feeding level within a food chain/web = Trophic level 3 Major Trophic Levels 1. Producers Plants, Plankton, Algae

359 views • 15 slides

Pond Ecology

Pond Ecology. Lakes and ponds are bodies of open standing water Their physical conditions and life vary with distance from the shore. Zones of life in the Pond .

506 views • 9 slides

What is Wrong With This Lake?

What is Wrong With This Lake?. Eutrophication. Nutrient Cycles Out Of Balance. What is Eutrophication?. An increase in chemical nutrients in an ecosystem Related to chemicals containing nitrogen or phosphorus (e.g. fertilizers and soap) Results in excessive plant growth and decay.

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Explicit model of ecosystem behavior #1

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Eutrophication

Eutrophication. The facts. What is Eutrophication you ask?. Eutrophication is when waterways, which are naturally low in nutrients such as phosphates and nitrates, are polluted with fertiliser run-off containing these nutrients.

853 views • 4 slides

ESIP Organization

ESIP Organization. Gulf of Maine Council on the Marine Environment. Ecosystem Indicator Partnership Steering Committee (5) DFO, EC, EPA, DOI, NOAA. Program Manager. Indicator Work Groups. Aquatic Habitats Climate Change Coastal Development. Contaminants Fisheries/Aquaculture

114 views • 1 slides