download - Entomological Society of Latvia - Latvijas Daba

More documents

Recommendations

Info

Latvijas Entomologs 2012, 51: 40-57. 43Rhynchospora alba, Scheuchzeriapalustris, Ledum palustre, Vacciniumuliginosum, Calluna vulgaris andAndromeda polifolia (Table 1).06.08.2003, Aessub: 1 female caught(M. Kalniņš); 18.07.2007, Aessub: 11exuviae near five bog pools (Table1) (M. Kalniņš) (Kalniņš, Medne2007). Since 2006 a project for therestoration of the bog’s hydrologicalregime – earlier seriously disturbeddue to drainage – has been carried outresulting in an increased water levelthat will certainly improve the habitatconditions for A. subarctica (Ķuze,Priede 2008). The locality has hadPPNT status since 1973. It is situatedin the Ķemeri National Park and inthe NATURA 2000 area (site code:LV0200200).3. Pakujezers Lake nearEzerkalni (Baldone d.). Adyseutrophic lake (~1 ha), borderedby a wide (5–10 m) Sphagnumzone with Sphagnum cuspidatum,Carex limosa, Eriophorum sp.,Rhynchospora alba, Calluna vulgarisand Andromeda polifolia. 01.06.2008,Aessub: 1 exuviae (M. Kalniņš).4. Sudas Bog, SE part, SEfrom Velna Lake env. near smallbog pool (Līgatne d.). 17.06.2006,Aessub: 2 exuviae (M. Kalniņš);Sudas Bog, Central part, Salas Lakeenv. near small bog pool 19.06.2006,Aessub: 1 individual (M. Medne);Large (~2600 ha) active raised bogwith numerous bog pools and smalllakes. Vegetation with Sphagnumcuspidatum and Sphagnum sp.,Eriophorum sp., Rhynchosporaalba, Scheuchzeria palustris, Ledumpalustre, Vaccinium uliginosum,Calluna vulgaris and Andromedapolifolia. The locality has had PPNTstatus since 1973. It is situated inthe Gauja National Park and in theNATURA 2000 area (site code:LV0200100).5. Pekšu Lake (Pārgaujas d.).A eutrophic lake (~10 ha) with richand diverse vegetation – Phragmitesaustralis, Typha sp., Equisetus sp.,Menyanthes trifoliate, Nuphar lutea,Nymphaea sp., Potamogeton sp.and others. 09.08.1999, Aessub: 1individual (M. Kalniņš) (Kalniņšet al. 2007). The locality has hadPPNT status since 1973. It is situatedin the Gauja National Park and inthe NATURA 2000 area (site code:LV0200100).6. Grabatiņš Lake inGrabatpurvs Bog (Krimulda d.).Active raised bog (~250 ha), withrelative small (~50 ha) open (nonowergrown)area and two smalllakes. Grabatiņš Lake is a dystrophiclake (~0.6 ha), bordered by a narrow(1–5 m) Sphagnum zone with Carexlimosa. 31.07.2005, Aessub: totally10 individuals recorded and 3 exuviae(R. Bernard, M. Kalniņš).7. Niedrāju-Pilkas Bog, SW part
44 The ecology and conservation of the Bog Hawker Aeshna subarctica ...of bog pools complex (Limbaži d.).Active raised bog (~500 ha), withopen (non-overgrown) bog pools area(~100 ha). Vegetation with Sphagnumcuspidatum and Sphagnum sp.,Eriophorum sp., Rhynchosporaalba, Ledum palustre, Callunavulgaris. 06.08.2009, Aessub: 17exuviae (M. Kalniņš). The localityhas had PPNT status since 1987. Itis included in the Northern VidzemeBiosphere Reserve, in the naturereserve “Niedrāju-Pilkas purvs” andin the NATURA 2000 area (site code:LV0509800).8. Oļļas Bog near Mazezers Lake(Mazsalaca d.). 01.08.2005, Aessub:several individuals (R. Bernard).9. Oļļas Bog near Lejasdīriķi(Mazsalaca d.). 01.08.2005, Aessub:1 exuviae (M. Kalniņš).Both localities are situated inlarge active raised bog (~3000 ha)with numerous bog pools and twolakes. Vegetation with Sphagnumcuspidatum and Sphagnum sp.,Eriophorum sp., Rhynchosporaalba, Scheuchzeria palustris, Ledumpalustre, Vaccinium uliginosum,Calluna vulgaris and Andromedapolifolia.The distance between localitiesNo 8 and 9 is 2 km. The localitieshave had PPNT status since 1997. Itis included in the Northern VidzemeBiosphere Reserve, in the naturereserve zone “Ziemeļu purvi” and inthe NATURA 2000 area (site code:LV0000130).10. Kārķu Bog, smallbog pools near Bezdibenis Lake(Valka d.). Active raised bog(~300 ha) with one lake and ~60 bogpools. Vegetation with Sphagnumcuspidatum and Sphagnum sp.,Eriophorum sp., Rhynchospora alba,Ledum palustre, Calluna vulgaris andAndromeda polifolia. 02.08.2005,Aessub: totally 1 individual recordednear small complex of bog pools; nearlake individuals were not observed(M. Kalniņš). The locality has hadPPNT status since 1977. It is includedin the Northern Vidzeme BiosphereReserve, in the nature reserve “Kārķupurvs” and in the NATURA 2000 area(site code: LV0515300).11. Taures Bog (Valka d.).Partly degraded raised bog by peatextracting (~400 ha) and partly activeraised bog (~200 ha) with ~60 bogpools. Vegetation with Sphagnumcuspidatum and Sphagnum sp.,Eriophorum sp., Rhynchosporaalba, Scheuchzeria palustris,Carex lasiocarpa, Ledum palustre,Vaccinium uliginosum, Callunavulgaris and Andromeda polifolia.15.09.2006, Aessub: 6 individuals(including pairs in copula) and 2males (M. Kalniņš) (Kalniņš, Medne2007).12. Meistars Lake NWof Mārkalne vill. (Alūksne d.). A
Page 2 and 3: Latvijas Entomologs 2012, 51: 40-57
Page 8: Latvijas Entomologs 2012, 51: 40-57
Page 18: Latvijas Entomologs 2012, 51: 40-57

download - Entomological Society of Latvia - Latvijas Daba

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?