Sveriges lantbruksuniversitet (SLU)
Unit for Field-based Forest Research
Asa Research Station
SE-363 94 Lammhult
Sweden
Martin Ahlström
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- Outdoor, freshwater, deployed in an adaptable jetfloat, placed in the lake Feresjön, 2,5 km from the research station.
- PE-film enclosures or 20 hardshell PE enclosures (ø = 0.9 m, depth = 1.5 m, volume = 700 l).
- Open access to national and international researchers.
Advanced general understanding in ecology by using modularized experiments across SITES-AquaNet stations (Sweden) or potential collaborators (Sweden, Europe and other continents). Topics: biodiversity-functioning-stability relationships, community ecology, ecological stoichiometry, food web interactions, benthic-pelagic dynamics, biochemistry (carbon cycling), cyanobacterial blooms and global change research. Possibility to combine mechanistic experiments with lake monitoring data from Feresjön (e.g., phytoplankton, zooplankton, nutrients and on-site climate data, incl. temperature profile measurements).
Apogee SQ-500 (PAR), CTG Trilux fluorometer (chlorophyll-a, phycocyanin and turbidity) and Aanderaa 4531 optode (O2 and temperature) sensors fulltime deployed in each enclosure, deployed with a Campbell CR1000 datalogger and an AM16/32B multiplexer (https://www.campbellsci.com). The datalogger has an ethernet interface for remote access through a mobile broadband router, for maintenance and data retrieval. Surveillance camera mounted for remote monitoring of the site.
An YSI ProODO instrument (DO) (https://www.ysi.com/proodo), an AP-2000 AquaRead Multiprobe (http://www.aquaread.com/portofolio/ap-2000/) equipped with a chlorophyll a sensor, and an Apogee MQ-500 (PAR) sensor with handheld meters.
Laboratory for filtering and extraction of samples for a wide range of analyses, cold storage and freezing rooms are available at the research station. Connection to laboratories for analysis at the Swedish University of Agricultural Sc.; the Geochemical laboratory (https://www.slu.se/en/departments/aquatic-sciences-assessment/laboratories/vattenlabb2/), and at the Uppsala University; the Erken Laboratory (http://www.ieg.uu.se/erken-laboratory).
Capacity at the Asa Herrgård hotel and conference facility, neighbouring the research station; ca 60 persons (https://www.asaherrgard.se), and at the Asa Hostel, 1 km from the station: ca 60 persons, with cooking facilities (http://www.friheten.nu/en/)
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