Results 11 to 20 of about 929,968 (266)

Diversity of Shallow-Water Species in Prawn Trawling: A Case Study of Malindi–Ungwana Bay, Kenya

open access: yesDiversity, 2022
Bottom trawling is a common fishing method that targets bottom-dwelling fisheries resources. It is non-selective and large amounts of by-catch are discarded, raising serious sustainability and ecosystem conservation concerns.
Esther N. Fondo   +6 more
doaj   +1 more source

Effects of Vetiveria zizanioides on the Restoration and Succession of Coal Gangue Mountain Plant Communities in Different Years

open access: yesDiversity, 2022
The restoration of vegetation on coal gangue mountains has always been an area of concern, and therefore, an important area of research. Liupanshui city in Guizhou province, China, has a large number of coal gangue mountains, and for this reason, was ...
Honggang Shuai   +7 more
doaj   +1 more source

Botanical and ecological characteristics of trees and shrubs plantings in the Dovhyntsivo Park (Kryvyi Rih)

open access: yesІнтродукція Рослин, 2012
Trees and shrub planting at Dovhyntsivo Park (Kryvyi Rih, Dnepropetrovs’k reg.) presented 74 species belonging to 57 genera and 27 families. Most of the rocks park characterized medium-high level of vitality, middle and high level of decoration.
V.M. Savos'ko, O.U. Kopych
doaj   +1 more source

Efficiency of the protection system and treatment of the soil against harmful organisms in the maize crops for grain

open access: yesПередгірне та гірське землеробство і тваринництво, 2021
In recent years, there has been an annual deterioration in the phytosanitary condition of crops. One of the main factors of this phenomenon was the destabilization of the land use system and the disturbance or absence of crop rotations, which led to a ...
О. V. SNIZHOK
doaj   +1 more source

Effects of Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco) on understorey layer species diversity in managed forests

open access: yesJournal of Forest Science, 2014
In total, 67 parallel plots were chosen from the database of 153 phytosociological relevés made in the Douglas-fir and parallel Norway spruce, European Beech and oak-dominated stands to find influences of this introduced tree species on the understorey ...
V. Podrázský   +3 more
doaj   +1 more source

Phospholipid Composition of Desulfovibrio Species [PDF]

open access: yesJournal of Bacteriology, 1974
The phospholipids of Desulfovibrio desulfuricans , Norway strain, D. vulgaris , and D. gigas were examined in relationship to their qualitative and quantitative composition. D. desulfuricans and D.
R A, Makula, W R, Finnerty
openaire   +2 more sources

Variations in the Volatile Compositions of Curcuma Species [PDF]

open access: yesFoods, 2019
Curcuma species have been cultivated in tropical and subtropical regions in Asia, Australia, and South America for culinary as well as medicinal applications. The biological activities of Curcuma have been attributed to the non-volatile curcuminoids as well as to volatile terpenoids.
Noura S. Dosoky   +2 more
openaire   +3 more sources

Phylogeography above the species level for perennial species in a composite genus [PDF]

open access: yesAoB PLANTS, 2015
Abstract In phylogeography, DNA sequence and fingerprint data at the population level are used to infer evolutionary histories of species. Phylogeography above the species level is concerned with the genealogical aspects of divergent lineages.
Tremetsberger, Karin   +6 more
openaire   +5 more sources

CURRENT STATE OF POPULATION OF GAME MAMMALS HABITING SHELKOVSKOY DISTRICT OF CHECHNYA AND WAYS FOR OPTIMIZATION

open access: yesЮг России: экология, развитие, 2015
Aim. The goal of the research is that: to identify the taxonomic composition of game species and make full list of species to assess the current state of populations and resources to carry out eco-faunistic analysis of the distribution of game mammals ...
A. M. Batkhiyev, H. S. Yandakrhanov
doaj   +1 more source

ASSESSMENT OF THE CURRENT STATE OF BENTHIC FAUNA AND WATER QUALITY OF CHANNELS OF THE VOLGA DELTA

open access: yesЮг России: экология, развитие, 2016
Aim. We present the findings of studies of the current state of benthic fauna of the Volga delta channels by the structure of benthic communities.
O. G. Tarasova, V. F. Zaitsev
doaj   +1 more source

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