Results 61 to 70 of about 1,090 (172)

From pixels to Algae: Assessing cyanobacterial bloom severity in Northeastern lakes through Multi-Class phytoplankton density retrieval

International Journal of Applied Earth Observations and Geoinformation
Frequent algal blooms have intensified ecological risks in lakes and reservoirs worldwide, posing serious threats to regional water quality and drinking water security.
Zhaojiang Yan, Chong Fang, Kaishan Song, Ge Liu, Yunfeng Lyu, Jinpeng Shen, Shizhuo Liu   +6 more
doaj   +1 more source

Seasonal Feeding Activity and Ontogenetic Dietary Shifts of the Common Carp (Cyprinus carpio) in Lake Arekit, a Small, Eutrophic Lake in Ethiopia

Aquaculture, Fish and Fisheries, Volume 4, Issue 5, October 2024.
ABSTRACT Seasonal feeding activity and ontogenetic dietary shifts of Cyprinus carpio (Linnaeus, 1758) were examined using 209 fish samples from Lake Arekit, Ethiopia. Among the 209 specimens, 174 (83.3%) displayed a range of dietary items in their stomachs. The species’ feeding patterns were determined through numerical indexes (frequency of occurrence
Solomon Wagaw, Yirga Enawgaw, Injigu Wendimu, Helen Weldemichael   +3 more
wiley   +1 more source

Importancia de las Cyanophytas

REVISTA PERSPECTIVA, 2019
Se analiza la importancia de las algas de la División Cyanophyta y su calidad alimenticia y otros usos. Se destaca principalmente las algas de los géneros Nostoc y Spirulina. Se hacen recomendaciones para la revaloración de estas algas y su uso más frecuente en alimentación. Palabras clave: Cyanophyta, Nostoc, Spirulina,
openaire   +2 more sources

INFLUENCE OF FERTILIZATION ON THE DEVELOP MENT OF PHYTOPLANKTON ON CARP FISH FARMS [PDF]

Croatian Journal of Fisheries, 1994
A comparative investigation on the effect of fowl fertilizer (4800 kg. ha-1) and mineral fertilizer NPK 17 : 8 : 9 (1.200 kg. ha-1) on the development of phytoplankton was carried out in two variations of an experimental fish farm of equal surface area ...
Ljubica Debeljak, Zdenek Adamek
doaj  

Integración florística de las algas marinas de la costa sur de Jalisco, México Floristic integration of the benthic marine algae from the southern coast of Jalisco, Mexico

Revista Mexicana de Biodiversidad, 2011
Se presentan los resultados obtenidos en un estudio sobre las algas marinas bentónicas en 7 localidades de la costa sur de Jalisco, México. Se determinó la presencia de 165 especies de algas marinas.
A. Catalina Mendoza-González, Luz Elena Mateo-Cid, Citlali Galicia-García   +2 more
doaj  

Cyanophyta recorded in Erbil ,Kurdistan region of Iraq

Current World Environment Journal, 2013
Two hundred fourty four species of blue green algae have been listed and recorded in this investigation. The listed species belong to five main groups of cyanophyta, making up all together fourty six genus. It was found that blue green algae in Erbil represented (54%) of Iraqi blue green algae, and (11% ) of all known algae in Iraq so far.
Janan Toma, Bahram Maulood
openaire   +1 more source

Identification and Role of Microalgae Found in Catfish (Clarias gariepinus) Cultivation Pond

Nekton
Microalgae play an essential role in aquaculture as primary producers, serving both as natural feed and as bioindicators for assessing pond water quality.
Zakiyyah Nur Inayah, Rahmat Ardi Kurniawan, Muhamad Fajar Aulia, Adif Pratama, R Adharyan Islamy   +4 more
doaj   +1 more source

The Machris Brazilian Expedition. Botany: Cyanophyta

Contributions in science, 1957
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

PHYTOPLANKTON SPECIES COMPOSITION OF THE RUSSIAN SECTOR OF THE CASPIAN SEA

Юг России: экология, развитие, 2014
Annotation. The taxonomic structure and the lists of species of the phytoplankton community in the Russian sector of the Caspian Sea have been presented. The dominant complexes have been detected. The predominance of small-cell types is characteristic of
A. Sh. Gasanova, K. M. Guseynov, M. K. Guseynov   +2 more
doaj   +1 more source

Green algae dominance quickly switches to cyanobacteria dominance after nutrient enrichment in greenhouse with high temperature

Journal of Ecology and Environment, 2015
In order to understand the mechanisms of conversion between different algal dominance, an experiment was performed in a greenhouse from 22 June to 10 July 2011. The experiment included a treatment group subjected to three
Xiaodong Wang, Xingguo Liu, Boqiang Qin, Zhaojun Gu, Zongfan Wu, Hao Xu, Hao Zhu, Guofeng Cheng, Huang Liu   +8 more
doaj   +1 more source