نتایج جستجو برای: high mountain lake

تعداد نتایج: 2114381  

Journal: :international journal of environmental research 0
p. reboleiro-rivas departamento de microbiologia and instituto del agua, universidad de granada, granada, 18071, spain b. juarez-jiménez departamento de microbiologia and instituto del agua, universidad de granada, granada, 18071, spain m.v. martinez-toledo departamento de microbiologia and instituto del agua, universidad de granada, granada, 18071, spain b. rodelas departamento de microbiologia and instituto del agua, universidad de granada, granada, 18071, spain l. andrade departamento de microbiologia and instituto del agua, universidad de granada, granada, 18071, spain j. gonzalez-lopez departamento de microbiologia and instituto del agua, universidad de granada, granada, 18071, spain m. fenice

la caldera” is a high mountain lake located in sierra nevada, spain. for its position andcharacteristics it is considered as an important “sensor” for global changes. water samples were collectedduring the ice-free season in order to observe changes in the bacterial community structure. experiments were carried out complementing culture and culture-independent methods. strong variations of the ...

Journal: :international journal of environmental research 2013
p. reboleiro-rivas b. juarez-jiménez m.v. martinez-toledo b. rodelas l. andrade

la caldera” is a high mountain lake located in sierra nevada, spain. for its position andcharacteristics it is considered as an important “sensor” for global changes. water samples were collectedduring the ice-free season in order to observe changes in the bacterial community structure. experiments were carried out complementing culture and culture-independent methods. strong variations of the ...

Journal: :Environmental pollution 2011
Mireia Bartrons Joan O Grimalt Jordi Catalan

The present study shows the occurrence of 2,2',3,3',4,4',5,5',6,6'-decabromodiphenyl ether (BDE-209) in microbial biofilms of Pyrenean and Tatra high mountain lakes despite its low vapor pressure and high hydrophobicity. Aerosol air transport is therefore a feasible mechanism for BDE-209 accumulation in sites up to 2688 m above sea level. This compound and other PBDEs exhibit altitudinally-depe...

2010
Vasil Simeonov Pavlina Simeonova Stefan Tsakovski Vasil Lovchinov

The application of multivariate statistical methods to high mountain lakes monitoring data has offered some important conclusions about the importance of environmetric approaches in lake water quality assessment. Various methods like cluster analysis and principal components analysis were used for classification and projection of the data set from a big number of lakes from Pirin Mountain in Bu...

Journal: : 2022

In this study carried out on Sarıncof Lake 13 July 2021, 27 species from Rotifera, 6 Cladocera, and 3 Copepoda, belonging to zooplankton groups were identified in a total of 36 species. Among the species, Rotifers dominant group with rate 51 %. This was followed by Copepoda 28.3 % Cladocera 20.7 %, respectively. addition, Ostracoda, Anostraca, Tardigrada, Nematoda also found samples taken lake....

Journal: :Ecological applications : a publication of the Ecological Society of America 2009
L Nanus M W Williams D H Campbell K A Tonnessen T Blett D W Clow

The sensitivity of high-elevation lakes to acidic deposition was evaluated in five national parks of the Rocky Mountains based on statistical relations between lake acid-neutralizing capacity concentrations and basin characteristics. Acid-neutralizing capacity (ANC) of 151 lakes sampled during synoptic surveys and basin-characteristic information derived from geographic information system (GIS)...

2017
James J. Roberts Kurt D. Fausch Travis S. Schmidt David M. Walters

Anthropogenic climate change is causing a wide range of stresses in aquatic ecosystems, primarily through warming thermal conditions. Lakes, in response to these changes, are experiencing increases in both summer temperatures and ice-free days. We used continuous records of lake surface temperature and air temperature to create statistical models of daily mean lake surface temperature to assess...

2007
Andrea Brunelle Gerald E. Rehfeldt Barbara Bentz Steven Munson

Paleoecological reconstructions from two lakes in the U.S. northern Rocky Mountain region of Idaho and Montana revealed the presence of bark beetle elytra and head capsules (cf. Dendroctonus spp., most likely D. ponderosae, mountain pine beetle). Occurrence of these macrofossils during the period of time associated with the 1920/1930 A.D. mountain pine beetle outbreak at Baker Lake, Montana sug...

Journal: :Research in sports medicine 2007
Poul-Erik Paulev Gustavo Zubieta-Calleja

In order to make any sea level dive table usable during high altitude diving, a new conversion factor is created. We introduce the standardized equivalent sea depth (SESD), which allows conversion of the actual lake diving depth (ALDD) to an equivalent sea dive depth. SESD is defined as the sea depth in meters or feet for a standardized sea dive, equivalent to a mountain lake dive at any altitu...

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