Seasonal diatom community responses to development and climate change in Lake George, an oligotrophic lake in the Adirondack Mountains

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A12310%2F22%3A43904646" target="_blank" >RIV/60076658:12310/22:43904646 - isvavai.cz</a>

Výsledek na webu

<a href="https://link.springer.com/article/10.1007/s10750-022-04892-y" target="_blank" >https://link.springer.com/article/10.1007/s10750-022-04892-y</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/s10750-022-04892-y" target="_blank" >10.1007/s10750-022-04892-y</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Seasonal diatom community responses to development and climate change in Lake George, an oligotrophic lake in the Adirondack Mountains

Popis výsledku v původním jazyce

Lake George is a highly monitored, oligotrophic lake that experiences widespread tourism in the summer months. The southern basin has more shoreline development than the northern basin, resulting in a south to north gradient of anthropogenic impairment. This study aimed to assess differences in nearshore diatom communities regarding gradients of water chemistry and watershed development throughout the lake. Using redundancy analyses, water chemistry explained more variation within diatom assemblages than watershed variables. Seasonal comparisons of watershed types, based on development, revealed SPC values to be significantly higher in the southern basin in all three seasons (spring, summer, and autumn). Among the three seasons, summer demonstrated the best potential for further monitoring of diatom communities with the north and south basins demonstrating differences in Shannon-Weiner (H &apos;) diversity index values and proportions of Asterionella formosa, Fragilaria crotonensis, and Lindavia lemanensis. Dominant diatoms from previous studies in the lake were compared to present populations and showed a concomitant reduction in Stephanodicus spp. and Melosira spp. while smaller centric species continue to increase. Given the differences between the two basins, climate change is likely to manifest differently in the southern, more productive basin than the northern basin.

Název v anglickém jazyce

Seasonal diatom community responses to development and climate change in Lake George, an oligotrophic lake in the Adirondack Mountains

Popis výsledku anglicky

Lake George is a highly monitored, oligotrophic lake that experiences widespread tourism in the summer months. The southern basin has more shoreline development than the northern basin, resulting in a south to north gradient of anthropogenic impairment. This study aimed to assess differences in nearshore diatom communities regarding gradients of water chemistry and watershed development throughout the lake. Using redundancy analyses, water chemistry explained more variation within diatom assemblages than watershed variables. Seasonal comparisons of watershed types, based on development, revealed SPC values to be significantly higher in the southern basin in all three seasons (spring, summer, and autumn). Among the three seasons, summer demonstrated the best potential for further monitoring of diatom communities with the north and south basins demonstrating differences in Shannon-Weiner (H &apos;) diversity index values and proportions of Asterionella formosa, Fragilaria crotonensis, and Lindavia lemanensis. Dominant diatoms from previous studies in the lake were compared to present populations and showed a concomitant reduction in Stephanodicus spp. and Melosira spp. while smaller centric species continue to increase. Given the differences between the two basins, climate change is likely to manifest differently in the southern, more productive basin than the northern basin.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10617 - Marine biology, freshwater biology, limnology

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2022

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Hydrobiologia

ISSN

0018-8158

e-ISSN

—

Svazek periodika

849

Číslo periodika v rámci svazku

12

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

20

Strana od-do

2761-2780

Kód UT WoS článku

000796321300002

EID výsledku v databázi Scopus

2-s2.0-85130202798