NTL_010001

Lake Mendota (Southern Wisconsin) from Picnic Point showing the Center for Limnology research and teaching vessel (the RVT/Limnos) and the University of Wisconsin Madison in the background, North Temperate Lakes LTER.

NTL_010002

Ice breakup on Lake Mendota (Southern Wisconsin) in the spring of 2000, North Temperate Lakes LTER.

NTL_010003

North Temperate Lakes LTER (Northern Wisconsin) in the autumn from the air. Crystal Lake is in foreground and Trout Lake is in background.

NTL_010004

Algal bloom on eutrophic Lake Mendota (Southern Wisconsin) with its agricultural and urban drainage basin< North Temperate Lakes LTER.

base_crew_sampling_012

NTL base crew sampling the chemistry, physics and biology of Trout Lake in northern Wisconsin. (Tim Kratz)

CB_boat_at_dock_2001

Loading gear for data collection on Trout Bog, one of the smallest lakes sampled in northern Wisconsin (Laura Koerth)

Fig1_cropped

Figure 1: The two core NTL study areas - the Yahara River Lake District of southern Wisconsin and the Northern Highland Lake District of northern Wisconsin (Bill Feeny, Jonathan Chipman, James Rusak)

Limnology_underwater03_6614

NTL base crew sampling the chemistry, physics and biology of Lake Mendota in southern Wisconsin. (Michael Forster Rothbart)

NTL_raft_picture

Maintaining a remote sensing raft on Sparkling Lake, northern Wisconsin. A met station above water and a thermistor chain and oxygen probe below water transmit near real-time data to the world-wide web (Paul Hanson)

Madison_Raft

Loading a remote sensing raft for deployment on Lake Mendota, southern Wisconsin

Trout_L_from_S_bowser

Looking north at NTL-LTER lakes in the Northern Highland Lake District of northern Wisconsin. The three largest lakes in the photo are (from the south) Little Rock, Sparkling, and Trout. (Carl Bowser)

winter_light_2005

Schoolyard LTER Winter Limnology Explorers Program at Trout Lake: Understanding the role of light in lakes (Michele Woodford)