Approach to the Water Quality in a Catchment Framed in a Rural-Agroforestry Landscape Slightly Degraded by the Agro-Livestock Activity

• Autorzy: Rodriquez-Blanco M. Luz , Taboada-Castro M. Teresa , Taboada-Castro M. Mercedes

Identyfikatory

DOI

10.29227/IM-2024-01-61

Warianty tytułu

PL

Podejście do jakości wody w zlewni osadzonej w krajobrazie rolno-leśnym nieznacznie zdegradowanym przez działalność rolniczo-hodowlaną

• Języki publikacji: EN

Abstrakty

EN

The headwater streams constitute landscapes with their own entity and are strongly influenced by their environment. They have a large impact on health and integrity, both for water quality and wildlife downstream. Studies on water quality from atlantics agroforestry catchments are scarce. Knowledge about water quality in agroforestry headwater catchments is important for assessing downstream effects and as a baseline for net impacts of land-use change. We analyzed physicochemical water variables of a headwater stream framed in a rural-agroforestry catchment with very little agricultural area, low livestock density and very little human population in NW Spain. Stream water samples were collected at the catchment outlet at approximately biweekly intervals over three years. All water samples were analyzed for the following quality parameters: pH, water temperature (T), electrical conductivity (EC), dissolved oxygen (DO), chemical oxygen demand (COD), major cations (Ca, Mg, Na, K), anions (Cl, SO4), nutrients [total dissolved carbon (TDC), dissolved organic carbon (DOC), nitrites nitrogen (NO2-N), nitrate nitrogen (NO3-N), ammonium nitrogen, Kjeldahl nitrogen (KN), total nitrogen (TN), dissolved, particulate and total phosphorus (DP, PP, TP)], and suspended solids (SS). Discharge was also measured. The mean concentrations of major anions, cations and different forms of carbon, nitrogen and phosphorus were rather low compared to global “average” values. Overall, the mean values of the main physicochemical water quality indicators offers similar values to those found in other rural catchment in humid temperate climates with low agricultural activity and demography, although such concentrations could have been underestimated as they mostly correspond to regular sampling and therefore ignore the influence of rainfall-runoff events.

Słowa kluczowe

EN

water quality; catchment; agroforestry; land-use

PL

jakość wody; zlewnia; agroleśnictwo; użytkowanie gruntów

• Wydawca: Polskie Towarzystwo Przeróbki Kopalin
• Czasopismo: Inżynieria Mineralna
• Rocznik: 2024
• Tom: Vol. 1, no. 1
• Strony: 545--550
• Opis fizyczny: Bibliogr. 37 poz., tab.

Twórcy

autor

Rodriquez-Blanco M. Luz

• Physical Geography Area, History, Art and Geography Department, GEAAT Group, University of Vigo, Campus as Lagoas, 36310 Ourense, Spain

• https://orcid.org/0000-0002-1608-3969

autor

Taboada-Castro M. Teresa

• Faculty of Sciences, University of A Coruña, 15071 A Coruña, Spain

• https://orcid.org/0000-0001-7396-0756

autor

Taboada-Castro M. Mercedes

• ETSIIAA, Area of Soil Science and Soil Chemistry, University of Valladolid, 34004 Palencia, Spain

• https://orcid.org/0000-0002-1110-4775

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki i promocja sportu (2025).