Results 31 to 40 of about 12,296 (223)

Nghiên cứu và phát triển sản phẩm trà hoa súng

open access: yesTạp chí Khoa học và Công nghệ
Nghiên cứu này được thực hiện nhằm phát triển sản phẩm trà hoa súng. Bằng các phương pháp định tính đã tìm thấy trong hoa súng có một số hoạt chất tự nhiên như flavonoid, carotenoid, saponin, quinone, tannin… Kết quả nghiên cứu cho thấy, thời gian sấy ...
Trần Thị Ánh Tuyết   +3 more
doaj   +1 more source

The complete mitochondrial genome of the early flowering plant Nymphaea colorata is highly repetitive with low recombination

open access: yesBMC Genomics, 2018
Background Mitochondrial genomes of flowering plants (angiosperms) are highly dynamic in genome structure. The mitogenome of the earliest angiosperm Amborella is remarkable in carrying rampant foreign DNAs, in contrast to Liriodendron, the other only ...
Shanshan Dong   +7 more
doaj   +1 more source

Decomposition of aquatic macrophytes from Cantá stream (Roraima, Brazil): kinetics approach Decomposição de macrófitas aquáticas do Igarapé do Cantá (Roraima, Brasil): aspectos cinéticos

open access: yesActa Limnologica Brasiliensia, 2010
AIM: This study aimed at describing and comparing the kinetics of aerobic and anaerobic decomposition of Eleocharis interstincta, Nymphaea sp. and Montrichardia arborescens; METHODS: The samples of aquatic macrophytes and water were collected in the ...
Marcela Bianchessi da Cunha-Santino   +2 more
doaj   +1 more source

Comparison of Conventional, Rake, and Sonar‐Based Biophysical Habitat Measurements in a Shallow Ontario River

open access: yesRiver Research and Applications, EarlyView.
ABSTRACT Knowledge of habitat availability is critically important for the management and recovery of freshwater species. Quantifying habitat availability often requires fine‐scale sampling at point‐based locations across a large geographic extent, which can be laboursome.
Karl A. Lamothe   +2 more
wiley   +1 more source

Distribution of endangered and protected species of synanthropic plants in Łask [PDF]

open access: yes, 2008
The article presents description and distribution of protected and endangered species of synanthropic plants found in the Łask area in 2001-2002. The research was carried out with the use of a cartogram method.
Suwara-Szmigielska, Sylwia
core  

Loss of YABBY2-Like Gene Expression May Underlie the Evolution of the Laminar Style in Canna and Contribute to Floral Morphological Diversity in the Zingiberales. [PDF]

open access: yes, 2015
The Zingiberales is an order of tropical monocots that exhibits diverse floral morphologies. The evolution of petaloid, laminar stamens, staminodes, and styles contributes to this diversity.
Almeida, Ana MR   +3 more
core   +2 more sources

Reconstructing post‐crisis recovery in the hinterlands of Constantinople: A high‐resolution first‐millennium CE pollen record from Lake Yeniçağa (NW Türkiye)

open access: yesJournal of Quaternary Science, Volume 41, Issue 3, Page 520-539, April 2026.
ABSTRACT Facing a novel plague pandemic, military invasions, and political–economic transformations, societies of the eastern Roman (Byzantine) empire had to adapt to a variety of pressures and new ways of exploiting their natural environments during the mid‐1st millennium CE.
Cristiano Vignola   +7 more
wiley   +1 more source

Initial decomposition of floating leaf blades of waterlilies: causes, damage types and impacts [PDF]

open access: yesPeerJ, 2019
The initial decomposition of large floating-leaved macrophytes, such as waterlilies, can be studied by following changes in leaf damage and area loss of leaf blades tagged in their natural environment.
Peter F. Klok, Gerard van der Velde
doaj   +2 more sources

Notes on the taxonomy of Nymphaeaceae and Menyanthaceae in Mongolia

open access: yesJournal of Asia-Pacific Biodiversity, 2022
In this study, we investigated four aquatic plants, namely Nuphar pumila (Timm) DC. and Nymphaea candida C.Presl in Nympaeaceae as well as Menyanthes trifoliata L. and Nymphoides peltata (S.G.
Shukherdorj Baasanmunkh   +5 more
doaj   +1 more source

Catalysts for change: Museum gardens in a planetary emergency

open access: yesPLANTS, PEOPLE, PLANET, Volume 8, Issue 2, Page 401-410, March 2026.
Natural history museums are often seen as places with indoor galleries full of dry‐dusty specimens, usually of animals. But if they have gardens associated with them, museums can use living plants to create narratives that link outside spaces to inside galleries, bringing to life the challenges facing biodiversity.
Ed Baker   +4 more
wiley   +1 more source

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