<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Sediments of five shallow lakes in Polesie Lubelskie region (Eastern Poland), representing a wide range of nutrient concentration, were dated by Pb-210 method and reliable age-depth models were constructed. These models were a base for studies of relationship between status of lake biocenoses and rate of sedimentation in the lakes.</p><p>The sedimentation rate does not depend on ecological status of studied lakes. The highest mean sedimentation rate was found in phytoplankton-dominated (Lake Syczyńskie) and phytoplankton-macrophyte-dominated (Lake Sumin) lakes. Macrophyte-dominated lakes represented intermediate values of deposition rate. Lake depth, area and hydrology are more important factors controlling sedimentation rate. The sedimentation rate was rather stable or changed over the time, depending on human management in the lakes' drainage basins.</p></abstract>

Sediments of five shallow lakes in Polesie Lubelskie region (Eastern Poland), representing a wide range of nutrient concentration, were dated by Pb-210 method and reliable age-depth models were constructed. These models were a base for studies of relationship between status of lake biocenoses and rate of sedimentation in the lakes.The sedimentation rate does not depend on ecological status of studied lakes. The highest mean sedimentation rate was found in phytoplankton-dominated (Lake Syczyńskie) and phytoplankton-macrophyte-dominated (Lake Sumin) lakes. Macrophyte-dominated lakes represented intermediate values of deposition rate. Lake depth, area and hydrology are more important factors controlling sedimentation rate. The sedimentation rate was rather stable or changed over the time, depending on human management in the lakes' drainage basins.

Deposition Rate of Lake Sediments Under Different Alternative Stable States

Institute of Geological Sciences, Polish Academy of Sciences, Twarda 51/55, 00-818 Warszawa, Poland

Geochronometria

{"article-title":"Deposition Rate of Lake Sediments Under Different Alternative Stable States"}

Sediments of five shallow lakes in Polesie Lubelskie region (Eastern Poland), representing a wide range of nutrient concentration, were dated by Pb-210 method...

Deposition Rate of Lake Sediments Under Different Alternative Stable States

Publié en ligne: 30 janv. 2009

Pages: 29 - 35

DOI: https://doi.org/10.2478/v10003-008-0020-y

Mots clés
Pb dating, sedimentation rate, alternative stable stages, shallow lakes, Polesie Lubelskie

This content is open access.

Deposition Rate of Lake Sediments Under Different Alternative Stable States

Publié en ligne: 30 janv. 2009

Pages: 29 - 35

DOI: https://doi.org/10.2478/v10003-008-0020-y

Mots clésPb dating, sedimentation rate, alternative stable stages, shallow lakes, Polesie Lubelskie

This content is open access.

Mots clés
Pb dating, sedimentation rate, alternative stable stages, shallow lakes, Polesie Lubelskie