New species for Sweden in our sampling!

The first results from last years sampling of invertebrates have now been delivered by the experts that have spent the winter sorting, counting and identifying the specimens. One group that has been done so far is the family of dancing flies (Empididae). Among the specimens was a species never encountered in Sweden before! It is the fly Hilara manicata. Apart from this new species for Sweden, also 3 new species for the County (Halland) were found. Several organsim groups remain to be counted and identified, e.g. spiders and beetles and it will be interesting to see if we get more surprises.

Third sampling

In August we did the third sampling campaign of invertebrates in 50 CWs, with Malaise-traps, colour pans, suction sampling, and pit fall traps. The picture shows insects collected by Malais-trap.

Second sampling

In July we did the second sampling campaign of invertebrates in 50 CWs, with Malaise-traps, colour pans, suction sampling, and pit fall traps. The picture shows collection of spiders after suction sampling at one of our project CWs.

Sampling campaign

In June we did the first sampling campaign of invertebrates in 50 CWs, with Malaise-traps, colour pans, suction sampling, and pit fall traps. The picture shows a malaise-trap and colour bowls.

Data gathered

An example of the data gathered. The picture shows untreated data, illustrated as a graph directly generated by the program. It is good for a quick check on the water level meters from the office, without have to go out in the field, and means that we have good control of the water level situation in all the CWs at all times. All data points are downloaded separately.

12 level meters

Now our level meters are deployed in 111 wetlands and 12 level meters are located in streams and they all register the water level 1 every hour and transfer data to us automatically. (bild 9). That means that every day we get 3 000 in situ data points on water levels.  In a year we will get a bit over 1 million data points. The water level meters are planned to be on sites for 2.5 years thus giving us 2.7 million data points on water level changes in CWs and stream.

Environmental research day

At the Swedish EPA´s “Environmantal research day” (Miljöforskningsdagen) there was a time slot for short presentations of the projects on wetland ecosystem services. So today the project leaders for the 8 projects again did short presentations of their projects, again online.


The kick-off meeting for the 8 awarded projects had to be done online due to Corona. It was interesting to hear about the other projects and valuable for future possible collaboration between projects and synergistic effects.

Deploying level meters

The work with deploying water level meters continues. It is time consuming, but our method works well, on the meters we also place trap nests to investigate the pollinator population at the sites.  It is the brown-orange cylinder seen in the picture.


We had a meeting in Halland to plan for this season biodiversity studies. We also put together one of our SLAM-traps (Malaise traps). We have 25 of these, which will be used for sampling flying insects in the project.

First field test

Today we did our first field test to find a time efficient method to deploy all our 120 water level meters in wetlands and streams. We found that a stand-up paddle board (SUP) is stable enough to work from and at the same time relatively easy to transport between wetlands and to carry along in the field. It is also manoeuvrable on the water, so it is possible to easily find the deepest spot in the wetland.

Project meeting

Since the project manager (John) had a meeting in Stockholm for another project we took the opportunity to have a meeting at Stockholm University, where John, Peter and Jerker discussed the selection of drainage areas and wetlands for “Wetlands as buffers”.

Project started

Today our project officially started! The full name is: “Constructed wetlands as hydrological buffers – how to create a win-win situation with biodiversity conservation” but we will mostly use the short form; “Wetlands as buffers”.


BioWetland is launched

Welcome to BioWetland!

Wetlandscapes & Biodiversity – Buffer, Biodiversity and Bees

Research on how constructed wetlands(CWs) function hydrologically in a river basin perspective and how hydrology and its interactions with wetland design, location and management affect the biodiversity in wetlands and at the landscape level, with focus on arthropods in terrestrial-aquatic boundaries and pollinators.