Results 31 to 40 of about 146,983 (353)

Estuarine Fish Feeding Changes as Indicator to Mangrove Restoration Success in Seasonal Karstic Wetlands

Frontiers in Forests and Global Change, 2022
The loss of mangrove areas due to anthropogenic activities has triggered efforts to recover or restore these ecosystems, their functions, and associated diversity.
Lesli C. Hernández-Mendoza, Luis Escalera-Vázquez, Daniel Arceo-Carranza   +2 more
doaj   +1 more source

Seasonal patterns and controls on net ecosystem CO2 exchange in a boreal peatland complex [PDF]

, 1998
We measured seasonal patterns of net ecosystem exchange (NEE) of CO2 in a diverse peatland complex underlain by discontinuous permafrost in northern Manitoba, Canada, as part of the Boreal Ecosystems Atmosphere Study (BOREAS).
Aim, Anderson, Anderson, Bartsch, Bellisario, Bubier, Carroll, Chapin, Chapman, Chee, Crill, Damman, Daubenmire, Fernald, Frolking, Frolking, Glaser, Gorham, Goulden, Goulden, Harden, Jill L. Bubier, Johnson, Kathleen Savage, Kim, Kirschbaum, Lafleur, Laine, Maimer, Malmer, Martikainen, Minkkinen, Moore, Oechel, Pajari, Patrick M. Crill, Raich, Riley, Rochefort, Roulet, Roulet, Ruimy, Ruth K. Varner, Schlesinger, Sellers, Shurpali, Silvola, Silvola, Slack, Stotler, Suyker, Szumigalski, Thormann, Thornley, Tim R. Moore, Trumbore, Updegraff, Vitt, Vitt, Waddington, Wallen, Whiting, Wilkinson, Zoltai, Zoltai   +64 more
core   +2 more sources

Trophic status and fish production potential of Golbolagh Lake (West of Kurdistan Province) [PDF]

بوم‌شناسی آبزیان, 2017
The estimation of fish potential production and trophic status are two important and necessary parts of fisheries management in lakes. This study was conducted to determinate the trophic status and fish production potential of Golbolagh Lake, for one ...
Habibollah Mohammadi, Sayed Yosef Paighambari, Shahram Abdolmaleki, Mariam Fallahi, Rasoul GHorbani, Abbas Hossaini   +5 more
doaj  

Natural and anthropogenic lead in sediments of the Rotorua lakes, New Zealand [PDF]

, 2010
Global atmospheric sources of lead have increased more than 100-fold over the past century as a result of deforestation, coal combustion, ore smelting and leaded petroleum. Lead compounds generally accumulate in depositional areas across the globe where,
Balance, Bindler, Burns, Burns, C.H. Hendy, Chow, D.P. Hamilton, Davies, Edgington, Eisenreich, Fish, Flint, Graney, Harrison, Hogg, Hong, Håkanson, L.K. Pearson, Lowe, Lowe, Martin, McColl, McColl, McColl, Ministry of Commerce, Monna, Murozuni, Newnham, Nriagu, Pullar, R.C. Pickett, Renberg, Renberg, Rosman, Schindler, Settle, Settle, Shen, Shotyk, Sigg, Statistics New Zealand, Sturges, Timperley, Timperley, Trolle, Veron, Vincent, Wilson   +47 more
core   +2 more sources

Relationship between phytoplankton structure and environmental variables in tropical reservoirs with different trophic states [PDF]

Acta Botânica Brasílica
Phytoplankton structure is influenced by environmental factors, seasonal cycles and the trophic state of the system. The objective of the present study was to identify guilds of phytoplankton species that are representative of seasonality and trophic ...
Simone Alves de Oliveira, Carla Ferragut, Carlos Eduardo de Mattos Bicudo   +2 more
doaj   +2 more sources

Evaluating the influence of lake morphology, trophic status and diagenesis on geochemical profiles in lake sediments [PDF]

, 2010
Recent geochemical studies provide evidence that changes in vertical distributions of nutrients in lake sediments are driven by anthropogenic activities, based primarily on trends of increasing concentrations in upper sediment layers.
Hamilton, David P., Pilditch, Conrad A., Trolle, Dennis   +2 more
core   +2 more sources

Trophic status of three large Missouri River reservoirs [PDF]

Lake and Reservoir Management, 2009
Abstract Bolgrien, D.W., J.V. Scharold, T.R. Angradi, T.D. Corry, E.W. Schwieger and J.R. Kelly. 2009. Trophic status of three large Missouri River reservoirs. Lake Reserv. Manage. 25:176–190. Probability-based surveys conducted between 2001–2004 characterized the three large reservoirs of the Missouri River—Lake Oahe, Lake Sakakawea, and Fort Peck ...
David W. Bolgrien, Jill V. Scharold, Ted R. Angradi, Tim D. Corry, E. William Schwieger, John R. Kelly   +5 more
openaire   +1 more source

THE CONTENT OF CHLOROPHYLL-Α IN THE LAKES OF THE PRIMORSKY LOWLAND OF DAGESTAN AND THEIR TROPHIC STATUS

Юг России: экология, развитие, 2014
Eutrophication of water bodies, especially small, has become a ubiquitous problem. In this connection the efforts of the experts is increasingly aimed at the search for the methods of monitoring, prediction and control of this undesirable and dangerous ...
M. M. Rasulova, A. A. Gadzhiev, A. A. Rabadanova   +2 more
doaj   +1 more source

Hydrogeochemical Analysis of Phewa Lake: A Lesser Himalayan Lake in the Pokhara Valley, Nepal

Environment and Natural Resources Journal, 2021
Phewa Lake in Nepal is a lake of international importance providing crucial ecological and economic services. However, increased urbanization, population growth and anthropogenic activities have resulted in degradation of the lake.
Udhab Raj Khadka, AL. Ramanathan
doaj   +1 more source

The Zambian Macrophyte Trophic Ranking scheme, ZMTR:A new biomonitoring protocol to assess the trophic status of tropical southern African rivers [PDF]

, 2016
The Zambian Macrophyte Trophic Ranking system (ZMTR) is a new bioassessment scheme to indicate the trophic status of tropical southern African river systems.
Briggs, J., Bruce, A., Dallas, H., Davidson, T. A., Grimaldo, J. T., Kennedy, Michael P., Lang, P., Lowe, S., Murphy, K. J., Sichingabula, H., Varandas Martins, S.   +10 more
core   +1 more source