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Wyświetlanie 1-2 z 2
Tytuł:
The Impact of Anthropogenic Activities on Benthic Macroinvertebrates Community in the Ranggeh River
Autorzy:
Sudarso, Jojok
Suryono, Tri
Yoga, Gunawan P.
Samir, Octavianto
Imroatushshoolikhah, -
Ibrahim, Aiman
Powiązania:
https://bibliotekanauki.pl/articles/1838403.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
EPT
pollution
agriculture
embeddedness percentage
Opis:
Ranggeh River is one of the inlets of Lake Maninjau (West Sumatra, Indonesia), which has a vital role in supporting the life of native fish. Increasing anthropogenic activities (agriculture and human settlements) around the river can harm benthic macroinvertebrates as natural food for fish. Therefore, this study aimed to analyze and observe water quality changes and their impact on the benthic macroinvertebrate communities in the Ranggeh River. Sampling was conducted from February to August 2019 using the Hess Sampler tool. The results indicate that the anthropogenic impacts around the Ranggeh River on water quality has changed the macroinvertebrate benthic community structures (composition, abundance, and biological index). Furthermore, the Ephemeroptera Plecoptera and Trichoptera (EPT) number of taxa index were superior in reflecting disturbances in the Ranggeh River compared to the Family Biotic Index (FBI) and the Percent Model Affinity (PMA). In conclusion, the anthropogenic effect on the macroinvertebrate community in the Ranggeh River prominently was caused by habitat changes rather than enrichment by nutrients (TN and TP).
Źródło:
Journal of Ecological Engineering; 2021, 22, 5; 179-190
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Environmental Aspect of Potassium Balance in the Geographical and Historical Land of Wielkopolska in 1843–2012
Autorzy:
Kupiec, J. M.
Powiązania:
https://bibliotekanauki.pl/articles/123183.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
potassium balance
non-point pollution
Wielkopolska’s agriculture
agrienvironmental indicators
Opis:
The aim of the study was to assess the intensity of potassium management in agriculture, on the basis of field surface balance in the changing boundaries of Wielkopolska region, with its capital in Poznań. 14 periods were selected at the turn of three centuries XIX, XX and XXI. The surface area and the administrative boundaries have changed quite considerably during this period. Potassium is one of the most important elements which is of great importance not only in the nutrition of crops, but also in human and animal nutrition. Its impact on the environment is not yet fully known. However, agricultural production generates a surplus of this macronutrient, which can be dispersed in the environment. The calculated potassium balance depended largely on the economic and political situation and administration, which affect the degree of intensification of agricultural production in the region. The balance results ranged from -45.47 to 129.71 kg K ha -1 per agricultural land. By 1955, the balance of potassium showed negative values. After this period, the balance recorded was only positive.
Źródło:
Journal of Ecological Engineering; 2015, 16, 5; 197-205
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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