DETERMINATION OF HABITAT 6270*_3 PERMITTED DRAINAGE RATE

Authors

  • Renāte Kaupuža Rezekne Academy of Technologies
  • Gotfrīds Noviks Rezekne Academy of Technologies

DOI:

https://doi.org/10.17770/het2019.23.4403

Keywords:

hydro-reclamation, semi-natural grasslands, permitted drainage rate, groundwater depression curve, drainage grades

Abstract

Amelioration has dramatically altered the distribution of semi-natural grasslands in Latvia and as a result of the drainage, and the ocurrance of humid grassland habitats has decreased sharply. The aim of the paper was to identify drainage rate for habitat 6270*_3 ecohydrological requirements which is necessary for its successful management and long-term existence. The work looked at 15 equally managed (extensively grazed and/or mowed) perennial, natural grasslands at different levels of drainage resulting in various quality states. To reveal the most habitat-preserving drainage rate, for each site of the habitat 6270*_3 a decrease of groundwater table was identified. As a result a rate that meets ecohydrological requiremets is procured.

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References

Ministru kabineta 2006. gada 21. februāra noteikumi Nr. 153 "Noteikumi par Latvijā sastopamo Eiropas Savienības prioritāro sugu un biotopu sarakstu". Latvijas Vēstnesis, 33 (3401), 24.02.2006. https://likumi.lv/ta/id/128923, sk. 2.01.2019.

Rūsiņa S. (red.) 2017. Aizsargājamo biotopu saglabāšanas vadlīnijas Latvijā. 3. sējums. Dabiskās pļavas un ganības. Dabas aizsardzības pārvalde, Sigulda.

Sabardina, G. (1957). Latvijas PSR dabisko pļavu un ganību klasifikācija. Bioloģijas zinātne lauksaimniecībai un mežsaimniecībai, nr. 3. Rīga, 1957.

Eriņš, A. (1966). Lauksaimnieciskās meliorācijas projektēšana. Rīga: Zvaigzne, 1966 – 325 lpp.

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Published

2019-04-24

Issue

Section

Mechatronics, production technologies and environmental protection

How to Cite

[1]
R. Kaupuža and G. Noviks, “DETERMINATION OF HABITAT 6270*_3 PERMITTED DRAINAGE RATE”, HET, no. 23, pp. 122–125, Apr. 2019, doi: 10.17770/het2019.23.4403.