Lake mendota water temp

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Lake mendota water temp. Don't get blown away by the weather in Lake Mendota Buoy - UW. WindAlert has the latest weather conditions, winds, forecasts, nearby currents, and alerts for the area! ... in very good spots to capture ambient wind conditions and averages often reflect actual winds experienced on the water. However, we also include stations from many other ...

reduced water clarity especially in Lake Mendota (Walsh et al. 2017, 2018). Long-term monitoring Secchi depth, water temperature, nutrient (total phospho-rus), and zooplankton (D. galeata mendotae, D. pulicaria, and Bythotrephes) data for Lake Mendota and Lake Monona between 1980 and 2017 were obtained from the North Tem-

A Eutrophic Lake. : Thomas D. Brock. Springer Science & Business Media, Dec 6, 2012 - Science - 308 pages. Lake Mendota has often been called "the most studied lake in the world. " Beginning in the "classic" period of limnology in the late 19th century and continuing through the present time, this lake has been the subject of a wide variety of ...Crystal Bog: Crystal Bog Buoy: High Frequency Water Temperature Data – 2005 – current. Crystal Bog Buoy: High Frequency Meteorological and Dissolved Oxygen Data – 2005 – current. Winter: High Frequency Under-Ice Water Temperature Buoy Data – Crystal Bog, Trout Bog, and Lake Mendota, Wisconsin, USA 2016-2020.Temperature and dissolved oxygen results are not currently included. A new module is being worked on and will be released soon. The source of the data displayed on the Water Explorer is the EPA Water Quality Portal. Unfortunately, not all data found in SWIMS is submitted to the EPA Water Quality Portal (e.g., pre-2000 lab results).Beach Water Quality. Lake Mendota County Park Beach. Lake Mendota County Park Beach closed. Regular beach season has ended. People may swim at their own risk. Blue-green algae (Cyanobacteria) may be present and their levels can change depending on the waves and wind. Always take a look at water conditions before you or your pet enter the …Water Level OUTLOOK Lake Mendota Water Level. Lake Monona Water Level. Lake Waubesa Water Level. Lake Kegonsa Water Level

thermal structure of dimictic Lake Mendota, Wisconsin, USA, over a continuous 104-year period (1911–2014). The model results were then used to examine the drivers of changes in ice cover and water temperature, focusing on the responses to shifts in air temperature, wind speed, and water clarity at multiyear timescales. Observations of theLake Mendota is the largest lake in the Yahara Watershed and has a median ice-on date of Dec. 20. The below-freezing temperatures, combined with cold water and low wind, all contributed to helping ...The visualizations reveal a concerning trend that’s been known to scientists at UW–Madison and elsewhere for decades: ice is disappearing on Lake Mendota. Since the middle of the 19th century, the average duration of ice on the lake has shrunk by about a month. How the data is plotted reveals different aspects of that warming trend.Lake Mendota is a 9,781-acre lake located in southern Wisconsin, in Dane County. It is the largest of the four lakes that make up the Yahara River chain of lakes, which also includes Lake Monona, Lake Waubesa, and Lake Kegonsa.The lake is a popular recreational destination, known for its clear waters, excellent fishing, and a variety of water sports. It …This dataset includes "test data" compiled water temperature data from an instrumented buoy on Lake Mendota, WI and discrete (manually sampled) water temperature records from North Temperate Lakes Long-TERM Ecological Research Program (NTL-LTER; https://lter.limnology.wisc.edu/).Lake Mendota is a 9,781-acre lake located in southern Wisconsin, in Dane County. It is the largest of the four lakes that make up the Yahara River chain of lakes, which also includes Lake Monona, Lake Waubesa, and Lake Kegonsa.The lake is a popular recreational destination, known for its clear waters, excellent fishing, and a variety of water sports. It has a maximum depth of 83 feet and is ...

Driving through several inches of water and slush in 60 degree weather yesterday was a very strange, fun, and terrifying experience. The reason I was out in that slush was because I'm interested in looking at how long the spiny water flea (or, SWF, a tiny invasive zooplankton) has been in Lake Mendota.Lake Mendota Waterbody ID (WBIC) 805400 Area 9781 ACRES ... Therefore, the only way to know for sure if a water body has an ordinance in effect is to look for a sign posted at a public boat landing. TOPICS Environmental Protection; Forest Management;It is almost 90 feet deep and spans 9,842 acres. Mendota has always been known for its perch fishing, many in the 7- to 10-inch size and some jumbos measuring 12 inches or more. During the hard-water season, perch will scatter and suspend throughout the water column from near the bottom to just under the ice.By Taylor Beer Lake Mendota and Lake Monona are the two lakes that create the isthmus that is Madison, Wisconsin. Lake Mendota, the larger of the two lakes, borders a large majority of the University of Wisconsin-Madison. On the other side, Monona Terrace and the Capital City Trail bike path border Lake Monona. Despite the …Barry Adams | Wisconsin State Journal. Jan 13, 2024. Loaded 0%. -. While it’s been a frustrating season for Madison-area ice anglers, there is a small silver lining in the wake of this week’s snowstorms. Lakes Mendota and Monona were largely open Friday, which means instead of having an insulating layer of snow on top of thin ice, the lakes ...

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Lake Mendota Topics: Water Temp. Lake Mendota Topics (Lake Mendota Specific) 0 messages. Updated . Off-Topic. Lakes Online Forum. 81,105 messages. Updated 12/14/2022 11:25:05 PM. Boat Maintenance. Lakes Online Forum. 5,165 messages. Updated 11/30/2022 12:16:33 PM. Lake Mendota FishingReport. Lake Como's current water temperature is 59°F Todays forecast is, Clear With a high around 72°F and the low around 43°F. Winds are out of the W at 10mph, with wind gusts of 18mph. Natural.MENDOTA WATER AND SEWER DEPARTMENT. Tim Kimrey, Public Works Director. (815) 539-7459. Kevin McPheeters, Water Superintendent. 1401 Lake Kakusha Drive. Mendota, IL 61342. (815) 539-6307 (c) 815-910-5189. Directions / Map. Nate Kim, Chief Operator.Lake Michigan and Lake Huron OFS Water Temperature Nowcast. All model nowcast and forecast information is based on a hydrodynamic model and should be considered as computer-generated nowcast and forecast guidance. This near surface water temperature animation was created from the latest LMHOFS nowcast for the Lake Michigan. The nowcast is for ...Latest: 850.05 ft - Apr 19, 06:00 AM CDT. Selected: 850.05 ft - Apr 19, 06:00 AM CDT. Subscribe to WaterAlert. Apr 13 Apr 14 Apr 15 Apr 16 Apr 17 Apr 18 Apr 19 849.95 850.00 850.05 850.10. Important Data are provisional.Check here for daily beach water quality conditions. Subscribe to get email notifications. Request Testing for Your Water Event. If you are hosting an event where people will be in the water, you can request additional testing for E. coli and blue-green algae. See our fact sheet for options and costs. Contact us at 608-243-0357 to schedule testing.

We apply a simple one-dimensional model for monomictic lakes, SIMO v.1.0, to predict the water temperature at Lake Kozjak in three future scenarios (RCP2.6, RCP4.5 and RCP8.5) for the period ...Lake Mendota is a 9,781-acre lake located in southern Wisconsin, in Dane County. It is the largest of the four lakes that make up the Yahara River chain of lakes, which also includes Lake Monona, Lake Waubesa, and Lake Kegonsa.The lake is a popular recreational destination, known for its clear waters, excellent fishing, and a variety of water sports. It …Lake Mendota was monitored by volunteers between 2016 and 2022. Volunteers monitor water clarity with a black and white Secchi disk. Volunteers are the source of the majority of Wisconsin's lake water quality data, and their dedication is greatly appreciated. Additional monitoring has been done through projects funded in part by DNR Lake Grants ...Current water temperature in Okanagan Lake. Water temperature in Okanagan Lake today is 10°C. Based on our historical data over a period of ten years, the warmest water in this day in Okanagan Lake was recorded in 2023 and was 14°C, and the coldest 10°C. Water temperature in Okanagan Lake is expected to rise to 12.3°C in the next 10 days.Click on the lake buoy below to see phone-friendly current conditions of Lake Mendota, Sparkling Lake, and Trout Lake. Data available only when buoys are on the open water lakes.0. MADISON (WKOW) -- The Wisconsin State Climatology Office declared lakes Mendota and Monona open on February 28th. It's the second-earliest ice off date for Lake Mendota. The only time the lake opened earlier was the winter of 1997-98 when ice off was declared on February 27th, according to Clean Lakes Alliance.Download scientific diagram | Air temperature, wind speed, and water temperature for Lake Mendota for the summer season 2005. from publication: Estimates of phosphorus entrainment in Lake Mendota ...Download the app. Scan the QR code to download the app from the App Store. Current lake conditions, so you can have the best day at the lake. Water tempertures, recent satellite imagery, weather, lake information, and live video.In both Mendota and Monona, the water temperature has to be in the 50’s for the bass to move into the shallower and warmer water. Monona, being shallower than Mendota and with Madison Gas and Electronic having a discharge on the north shore not far from the Yahara River, bass in general will start becoming active in May and peek in June.

Lake Mendota is a 9,781-acre lake located in southern Wisconsin, in Dane County. It is the largest of the four lakes that make up the Yahara River chain of lakes, which also includes Lake Monona, Lake Waubesa, and Lake Kegonsa.The lake is a popular recreational destination, known for its clear waters, excellent fishing, and a variety of water sports. It has a maximum depth of 83 feet and is ...

Climate change has been shown to influence lake temperatures in different ways. To better understand the diversity of lake responses to climate change and give managers tools to manage individual lakes, we focused on improving prediction accuracy for daily water temperature profiles in 68 lakes in Minnesota and Wisconsin during 1980 …USGS 05429000 Lake Monona, Madison, WI. Latitude 43°03'48", Longitude 89°23'49", in Brittingham Park, Madison. Water-stage recorder. Datum of gage is 840.00 ft above sea level (NGVD 1929), or 5.60 ft below City of Madison datum. Prior to Oct. 1, 1979, datum 3.61 ft higher; prior to Nov. 15, 1971, nonrecording gage at same site and datum.Left map: National Weather Service radar and citizen rain gauge observations for Aug. 20, 2018 storm. Right map: "Worst Case Scenario," if the storm had occurred 15 miles to the northeast, directly over the upper Yahara watershed. ... In addition to Lake Mendota's artificially high water levels, is the fact that a lot of the rain we got ...Nobel Park Homes for Sale $272,924. North Lake Mendota Homes for Sale $411,245. Whitetail Ridge Homes for Sale $342,941. Lerdahl Park Homes for Sale $376,675. Sherman Terrace Condominum Homes for Sale $169,495. Mendota Hills Homes for Sale $314,732. Vera Court Homes for Sale -. East Bluff Homes for Sale $191,379. Beach Water Quality. Lake Mendota County Park Beach. Lake Mendota County Park Beach closed. Regular beach season has ended. People may swim at their own risk. Blue-green algae (Cyanobacteria) may be present and their levels can change depending on the waves and wind. Always take a look at water conditions before you or your pet enter the water ... Lake Mendota is a 9,781-acre lake located in southern Wisconsin, in Dane County. It is the largest of the four lakes that make up the Yahara River chain of lakes, which also includes Lake Monona, Lake Waubesa, and Lake Kegonsa.The lake is a popular recreational destination, known for its clear waters, excellent fishing, and a variety of water sports. It …Jan 4, 2024 · Lake Mendota remained frozen for 98 days, or 13 days longer than in 2022. This is on par with the median duration of ice cover on Lake Mendota (102 days) as measured over the last 168 seasons. A shorter winter leads to warmer water temperatures earlier in the year, effectively creating a longer growing season for algae and aquatic plant life.

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In 1932, Lake Mendota didn't freeze until January 30. This makes Jan. 15, 2024, the third latest freeze date for the lake. The median freeze date is Dec. 20. Clean Lakes Alliance also announced its Lake Mendota freeze contest winner: Kathleen Maier of Madison. She picked Jan. 15 because it's a family member's birthday, and she's won a $1,000 ...A common observation is that blue-green algal dominance of aquatic communities is greater when water temperatures are warmer (3). In Lake Mendota, Wis., blue-green algae are an insignificant component of the phytoplankton in t Present address: Department of Biological Sciences, Purdue University, West Lafayette, IN 47907. the spring, but become ...Mendota Lake is conveniently located in the south-central part of the state, at Madison. For anglers and outdoor enthusiasts there is over 21 miles of shoreline to explore and fish. Access to the shore for bank fishing is via a dozen or so parks and boat landings around the lake. Boat rentals, including fishing boats, pleasure boats, pontoons ...The average date that Lake Monona freezes is December 15 and December 20 for Lake Mendota. Lake Monona’s first freeze has only come in January 17 times since records began during the winter of 1851-1852. Lake Mendota’s first freeze has only come in January 35 times since records began during the winter of 1852-1853.to be due to a combination of water column stability, weather, and the P levels accumulated in the metalimnion. ... P loads and all the major P fluxes in Lake Mendota, a stratified eutrophic lake ...Bird's-eye. Last update: 17:50 local time / This forecast is based on the GFS model. Detailed wind & weather forecast for Middleton/Lake Mendota / Wisconsin, United States of America for sailing, boating.LTER researcher, Kirsten Rhunde, takes samples through the ice on Lake Mendota. Photo: Ted Bier Instead of the usual cold-weather conditions of clear water with not much growing in it, they found the brown-colored soup of a plankton bloom. Unexpected "soupy" water awaited researchers after they drilled through the ice. Photo: Ted BierThe water level orders do not specify how the control structures (dams) are to be operated. The ... 2.3 Weather Forecasting and Historical Trends . ... (Lake Mendota), Babcock Park (Lakes Monona and Waubesa), and LaFollette Park (Lake Kegonsa). 9 . ….

Models were fit to chlorophyll and temperature data collected biweekly from Lake Mendota during 1977-1993. ... We predict that zebra mussel invasion would lead to increased water clarity in Lake ...General. This is the wind, wave and weather forecast for Lake Mendota/Governor Nelson State Park in Wisconsin, United States of America. Windfinder specializes in wind, waves, tides and weather reports & forecasts for wind related sports like kitesurfing, windsurfing, surfing, sailing, fishing or paragliding.Last Updated: April 30, 2024 Access the latest and most accurate water temperature data for Table Rock Lake.Currently, the water temperature stands at 66º Fahrenheit.This page provides real-time updates and detailed insights into the water conditions of Table Rock Lake, essential for anglers and enthusiasts.. Water temperature is a critical factor that influences fish behavior like feeding ...Temperature and dissolved oxygen results are not currently included. A new module is being worked on and will be released soon. The source of the data displayed on the …LAKE INFO. Lake Mendota Surface Area: 3,985 ha Max Depth: 25.3 m Mean Depth: 12.7 m. Lake Monona Surface Area: 1,326 ha Max Depth: 22.6 m Mean Depth: 8.3 m ... to …Abstract. The temperature optimum for photosynthesis of natural populations of blue-green algae (cyanobacteria) from Lake Mendota was determined during the period of June to November 1976. In the spring, when temperatures ranged from 0 to 20°C, there were insignificant amounts of blue-green algae in the lake (less than 1% of the biomass).For a Two-Story lake, this is considered Poor. Lake Mendota was monitored by volunteers between 2016 and 2022. Volunteers monitor water clarity with a black and white Secchi disk. Volunteers are the source of the majority of Wisconsin's lake water quality data, and their dedication is greatly appreciated. Additional monitoring has been done ...While Abernethy reports "about 95%" ice cover on the lake, a few large spots of open water are clearly visible, leading to a fairly obvious question - with open water still visible on January 9th, how in the world was Lake Mendota declared "frozen" on January 3rd? Let us explain. Lake Mendota, Winter 2014 Lake mendota water temp, Abstract. The temperature optimum for photosynthesis of natural populations of blue-green algae (cyanobacteria) from Lake Mendota was determined during the period of June to November 1976. In the spring, when temperatures ranged from 0 to 20°C, there were insignificant amounts of blue-green algae in the lake (less than 1% of the biomass). , Oct 29, 2023 · This dataset includes "test data" compiled water temperature data from an instrumented buoy on Lake Mendota, WI and discrete (manually sampled) water temperature records from North Temperate Lakes Long-TERM Ecological Research Program (NTL-LTER; https://lter.limnology.wisc.edu/). The buoy is supported by both the Global Lake Ecological ... , RAIN | SSEC @ UW-Madison. 1225 W. Dayton St Madison, WI 53706 (608) 263-6750; Contact Webmaster, We coupled removal estimates with chlorophyll production estimates in a dynamic model to predict the likely impact of mussel-mediated removal of phytoplankton on water clarity across a range of hypothetical zebra mussel densities. Models were fit to chlorophyll and temperature data collected biweekly from Lake Mendota during 1977-1993., The answer was, yes, yes we were. In fact, our little corner of Dane County had received anywhere from 4 to 5 inches of rain more than the long-term average for the month of May. And we knew what that meant - conditions were ripe for a blue-green algae bloom. Today, almost a year exactly from the big Father's Day bloom of 2017, Lake Mendota ..., Here is an example for Lake Winnebago: and an example for Lake Mendota in Madison: A four day forecast is displayed, including a forecast for wave heights for each period. Also, an estimated surface water temperature of the lake will be displayed for the first two forecast periods. This inland lakes forecast is still experimental., Lake Mendota is a freshwater eutrophic lake that is the northernmost and largest of the four lakes in Madison, Wisconsin. The lake borders Madison on the north, east, and south, Middleton on the west, Shorewood Hills on the southwest, Maple Bluff on the northeast, and Westport on the northwest. Lake Mendota acquired its present name in 1849 following a proposal by a surveyor named Frank Hudson ..., Lake Mendota. Lake Mendota is a 9781 acre lake located in Dane County. It has a maximum depth of 83 feet. Visitors have access to the lake from public boat landings, public beaches. Fish include Musky, Panfish, Largemouth Bass, Smallmouth Bass, Northern Pike, Walleye, Sturgeon and Catfish. The lake's water clarity is low., Ice on for Lake Mendota! Temperatures below the freezing mark, combined with cold water and low wind, helped Lake Mendota officially freeze on January 15, 2024, as declared by the Wisconsin State Climatology Office.Lake Mendota, the largest lake in the Yahara Watershed, froze a full 26 days after December 20 th, which is the median ice-on date for the largest lake in the Yahara River Watershed., Current water temperature in Minnetonka. Water temperature in Minnetonka today is 48.2°F. Based on our historical data over a period of ten years, the warmest water in this day in Minnetonka was 50°F, and the coldest was recorded in 2023 at 42.8°F. Water temperature in Minnetonka is expected to rise to 51.8°F in the next 10 days., Lake Mendota is a 9,781-acre lake located in southern Wisconsin, in Dane County. It is the largest of the four lakes that make up the Yahara River chain of lakes, which also includes Lake Monona, Lake Waubesa, and Lake Kegonsa.The lake is a popular recreational destination, known for its clear waters, excellent fishing, and a variety of water sports. It has a maximum depth of 83 feet and is ..., Access the latest and most accurate water temperature data for Lake Mendota. Currently, the water temperature stands at 48º Fahrenheit. This page provides real-time updates and detailed insights into the water conditions of Lake Mendota, …, public’s awareness and attitudes about Lake Mendota and to explore ways in which the people are willing to help improve the lake’s water quality. To tackle these questions, we surveyed different public groups who live and work around Lake Mendota to enhance our knowledge base on how these figures perceive the lake’s quality., Download scientific diagram | Water temperatures predicted using three model formulations for Lake Mendota ("M") and Sparkling Lake ("S") with contrasting periods for test and training ..., Warming of lake surface waters has become a concern to limnologists and water managers because air temperatures, which directly affect near-surface water temperatures, are projected to increase in Wisconsin (WICCI 2011) as well as globally (IPCC 2018). This projected increase is in addition to the changes in air temperatures …, Zebra mussels encrust sections of the UW Hoofers sailing pier pulled out of the water fall, 2016. The invasion has only gotten worse. Photo: A. Hinterthuer ... It signaled the arrival of one of the world's most notorious invasive species in our own Lake Mendota, and it was big news. Today, zebra mussels carpet the rocky bottom of nearshore ..., The instrumented buoy on Lake Mendota is equipped with a thermistor chain that measures water temperature. In 2006, the thermistors were placed every half-meter from the surface through 7m, and every meter from 7m to 15m., Summary. Climate change has been shown to influence lake temperatures in different ways. To better understand the diversity of lake responses to climate change and give managers tools to manage individual lakes, we focused on improving prediction accuracy for daily water temperature profiles in 68 lakes in Minnesota and Wisconsin during 1980-2018., After all, LMD is adjacent to 1.2 miles of Lake Mendota shoreline, and the City's priority should be to protect the lake's, as well as Well 14's, water quality, and to reduce each construction project's collective impact on climate change. Second, I want to provide an update on the construction process for the Western Segment., It is almost 90 feet deep and spans 9,842 acres. Mendota has always been known for its perch fishing, many in the 7- to 10-inch size and some jumbos measuring 12 inches or more. During the hard-water season, perch will scatter and suspend throughout the water column from near the bottom to just under the ice., Sharing a border with the lively UW-Madison, along with Middleton, Shorewood and Maple Bluff; Lake Mendota is the biggest lake of Madison’s fabulous five. No matter the season, there’s always a reason to go. Ice fishing, cross country skiing, ice hockey and snowkiting in the winter. Not to mention the Frozen Assets Festival and the Union ... , GAGE.--Water-stage recorder. Datum of gage is 839.96 NAVD8. Previously listed a 840.00 NGVD 1929, or 5.60 ft below City of Madison datum. Prior to Oct. 1, 1979, at datum 7.82 ft higher; prior to Nov. 15, 1971, nonrecording gage at same site and datum. REMARKS.-- Lake level regulated by concrete dam with two 12-foot gates and 20-foot lock at outlet., Lake Michigan and Lake Huron OFS Water Temperature Nowcast. All model nowcast and forecast information is based on a hydrodynamic model and should be considered as computer-generated nowcast and forecast guidance. This near surface water temperature animation was created from the latest LMHOFS nowcast for the Lake Michigan. The nowcast is for ..., Detailed wind & weather forecast for Lake Mendota Buoy / Wisconsin, United States of America for kitesurfing, windsurfing, sailing, boating., A 1,200-year-old canoe lifted from bottom of Lake Mendota is the oldest fully intact watercraft in Wisconsin. ... Madison saw blue skies and temperatures in the 30s and low 40s most of the day ..., While Abernethy reports "about 95%" ice cover on the lake, a few large spots of open water are clearly visible, leading to a fairly obvious question - with open water still visible on January 9th, how in the world was Lake Mendota declared "frozen" on January 3rd? Let us explain. Lake Mendota, Winter 2014, Wednesday, October 29th, 2003. By Jr. Water Temp: 69 to 72. Water Clarity: Stained (2-4 foot visibility) Report: We when back on monday to try again.We caught 5 small lg.bass. But we caught 30 to 35 stirper bass on chrome and black rat-l-trap. The guy at bait shop weighed are ish that we caught on sunday., lake winnebago near stockbridge, wi : 04/28 20:00 cdt : 2.45 : dane county: 05428000: lake mendota at madison, wi [(4)] 04/28 20:00 cdt : 10.01 : 05429000: lake monona at madison, wi : 04/28 20:00 cdt : 5.10 : 05429485: lake waubesa at mc farland, wi : 04/28 20:15 cdt : 4.82 : 425715089164700: lake kegonsa at barber drive near stoughton, wi ..., Then there were the water conditions. Madison saw blue skies and temperatures in the 30s and low 40s most of the day Tuesday along with winds that created 3-foot waves on Lake Mendota., Wednesday, October 29th, 2003. By Jr. Water Temp: 69 to 72. Water Clarity: Stained (2-4 foot visibility) Report: We when back on monday to try again.We caught 5 small lg.bass. But we caught 30 to 35 stirper bass on chrome and black rat-l-trap. The guy at bait shop weighed are ish that we caught on sunday., Lake Mendota. Overview. Map. Facts & Figures. More. Powered by Esri. Origin. DISCLAIMER: The information shown on these maps has been obtained from various sources (Tele Atlas North America Inc., WDNR, BCPL, WDOT, USFS, USGS, etc.), and are of varying age, reliability and resolution. These maps are not intended to be used for navigation, nor ..., Image: Tania Volskaya. by Eric Hamilton, University Communications - For 166 years, observers from the University of Wisconsin-Madison and the Wisconsin State Climatology Office have recorded a central aspect of life in the city — the dates when Lake Mendota freezes and thaws.Those dates mark the transition from fishing to ice fishing, from canoeing to snow shoeing., Abstract. The temperature optimum for photosynthesis of natural populations of blue-green algae (cyanobacteria) from Lake Mendota was determined during the period of June to November 1976. In the spring, when temperatures ranged from 0 to 20°C, there were insignificant amounts of blue-green algae in the lake (less than 1% of the biomass).