Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Aina Leeben"'
Autor:
Aina Leeben, Anu Kisand, Atko Heinsalu, Tiiu Alliksaar, Anna-Liisa Kirsi, Ilmar Tõnno, Peeter Nõges, Kristiina Ehapalu
Publikováno v:
Journal of Paleolimnology. 58:43-56
We studied high-resolution stratigraphy of phosphorus (P) forms in the Holocene sediments of large shallow Lake Peipsi (Estonia/Russia) in order to evaluate the lake ecosystem response to environmental changes and track the lake’s eutrophication hi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab7a450063fb219a965a2183e59e2adc
https://doi.org/10.1007/s10933-017-9954-2
https://doi.org/10.1007/s10933-017-9954-2
Publikováno v:
Journal of Soils and Sediments. 14:269-279
The feasibility of applying the method of single-scan fluorescence emission spectra of humic substances (HSs) without chemical pretreatments of sediment pore-water samples was tested to ascertain the past productivity and sources of organic matter of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c294613996e80b52ab133906225bc2c
https://doi.org/10.1007/s11368-013-0768-1
https://doi.org/10.1007/s11368-013-0768-1
Publikováno v:
Hydrobiologia. 710:227-240
We applied a multi-proxy palaeolimnological approach to provide insights into the natural variability and human-mediated trends of two interconnected temperate large shallow lakes, Peipsi and Vortsjarv, during the twentieth century. The history of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f018b253baf77773c9837dd6df9730c8
https://doi.org/10.1007/s10750-012-1209-7
https://doi.org/10.1007/s10750-012-1209-7
Publikováno v:
Hydrobiologia. 646:21-31
Ultraviolet–visible absorption and fluorescence spectroscopies allow simultaneous detection of several organic substances. These spectra also contain information on whether the organic matter is produced in the water body or in its catchment. In th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e1e9950d4c271b7057a6f385739bf1f
https://doi.org/10.1007/s10750-010-0174-2
https://doi.org/10.1007/s10750-010-0174-2
Publikováno v:
Organic Geochemistry. 39:915-918
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cef70c4306f4683ea202f70caac66427
https://doi.org/10.1016/j.orggeochem.2008.05.004
https://doi.org/10.1016/j.orggeochem.2008.05.004
Autor:
Rene Freiberg, Nicolas Bonningues, Tiiu Alliksaar, Viia Lepane, Natalja Makarõtševa, Atko Heinsalu, Aina Leeben, Ilmar Tõnno
Publikováno v:
Hydrobiologia. 599:49-58
We investigated stratigraphic changes in fossil pigments and the molecular structure of the UV-absorbing fraction of pore-water dissolved organic matter in a sedimentary record from Lake Peipsi (Estonia/Russia) temporally covering the 20th century. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f677eaa86f1cc63b19475a5b53b52b05
https://doi.org/10.1007/s10750-007-9199-6
https://doi.org/10.1007/s10750-007-9199-6
Publikováno v:
Hydrobiologia. 584:133-143
A paleolimnological approach was used for the assessment of the recent eutrophication history and identification of possible reference conditions in the large, shallow, eutrophic Lake Peipsi. Lake Peipsi is the fourth largest lake by area, and the la
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::efc59e5fd9c7dbce4ee3fb732ba39035
https://doi.org/10.1007/s10750-007-8615-2
https://doi.org/10.1007/s10750-007-8615-2
Publikováno v:
SIL Proceedings, 1922-2010. 29:465-468
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7616e190adca23e0d41707500cb582e0
https://doi.org/10.1080/03680770.2005.11902055
https://doi.org/10.1080/03680770.2005.11902055
Publikováno v:
Aquatic Sciences - Research Across Boundaries. 66:185-194
This paper demonstrates the applicability of high-performance size exclusion chromatography (HPSEC) to characterize lake-sediment pore-water dissolved organic matter (DOM). Two shallow nonstratified Estonian lakes – Harku and Karujarv – were inve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f37cd641650f95072ec1284276a3731
https://doi.org/10.1007/s00027-004-0703-z
https://doi.org/10.1007/s00027-004-0703-z
Autor:
Jaan-Mati Punning, Aina Leeben
Publikováno v:
Environmental Monitoring and Assessment. 89:1-13
Long-term limnological monitoring data (from 1971 to 2001) were compared with sediment core record in Lake Viitna Linajarv (hereafter L. Viitna), a small lake in northern Estonia. The monitoring data show that L. Viitna changed from mesotrophic in th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::972c35d513ebb5421cce727242655e9e
https://doi.org/10.1023/a:1025825823319
https://doi.org/10.1023/a:1025825823319