Biodiversity??Biodiversity??

Ecosystem

An environment that includes all the biotic organisms (living things, like plants, animals, and bacteria) and the abiotic factors (non-living things, like temperature) that affect them.

Name a familiar ecosystem. List some of the living things in it.

Riparian EcosystemRiparian Ecosystem

The ecosystem where land and a river or stream meet The ecosystem where land and a river or stream meet each other.each other.

The Baltimore region has a variety of streams, such as this region of the Gwynns Falls near Carroll Park.

Storm water retention ponds at Carroll Park/Park at Dead Run

Gunpowder River in Monkton from the NCR Trail a more rural setting north of the Beltway.

Pools vs. Riffles

Riffle- fast moving, shallow water, higher amount of oxygen

Pool- slow to no movement, deeper water, lower amount of oxygen

Do you think you will find different things in pools and riffles?

Why?

What is a Watershed?

Watershed: is an area of land where water from rain or snow that melts drains downhill into a body of water, such as a river, lake, reservoir, wetland, sea or ocean.

What is a Watershed?

Where would you expect water to flow from and to?

Chesapeake Bay Watershed Gwynns Falls Watershed

http://md.water.usgs.gov/groundwater/physiomaps/physio_counties.gif

What is Biodiversity?Having different types/kinds of living things in an ecosytem