Results 41 to 50 of about 19,623 (261)

Group variability of the morphological features of the leaf of Betula pendula Roth (Betulaceae, Magnoliópsida) in the gradient of weather conditions and technogenic soil transformation

Povolzhskiy Journal of Ecology, 2023
The group variability of morphological features of the leaves of Betula pendula Roth was studied in the gradients of adverse weather conditions and technogenic soil transformation.
T. V. Zhuikova, E. V. Meling, A. S. Popova   +2 more
semanticscholar   +1 more source

Utilization of Afzelia africana Sm. ex Pers. (Magnoliopsida: Fabales: Fabaceae) in Nigeria and its implications for conservation

Journal of Threatened Taxa
This study investigated the ethnobotanical uses of Afzelia africana Sm. ex Pers., a threatened tree species in Nigeria to determine the impact of uses of this species on the risk of its extinction.
Samuel Oloruntoba Bamigboye, Muhali Olaide Jimoh, Falilat Abeni Lawal, Zainab Temitope Osiyemi, Charles Petrus Laubscher, Learnmore Kambizi   +5 more
openalex   +3 more sources

Twice blooming flowers of Antigonon leptopus Hook. & Arn. (Magnoliopsida: Caryophyllales: Polygonaceae), a key forage source for insects during wet season in habitats disturbed by humans

Journal of Threatened Taxa
Antigonon leptopus is an elegant weedy species that thrives well during wet season in habitats disturbed by humans; it shows vegetative and reproductive events in this season.
P. Suvarna Raju, P. Srikanth, A. J. S. Raju   +2 more
openalex   +3 more sources

Assessment of lands for cassava (Manihot esculenta Crantz; Euphorbiaceae, Magnoliopsida) cultivation using the AHP-GISRemote Sensing technique

Povolzhskiy Journal of Ecology, 2023
The objective of present study was to assess the physical land capacity for an annual cassava crop, aiming to understanding spatial parameters and environment parameters required for locating potential areas of cassava cultivation.
T. Nguyen, Thi Hanh Tong
semanticscholar   +1 more source

Aizoaceae (Magnoliopsida: Caryophyllales) - a new family record to the flora of Andaman Islands, India [PDF]

Journal of Threatened Taxa, 2012
Sesuvium portulacastrum (L.) L. collected from Little Andaman Island is reported as a new addition to the flora of Andaman and Nicobar Islands. It also forms a new record of the family Aizoaceae.
L. Rasingam
openalex   +5 more sources

Extrapolating demography with climate, proximity and phylogeny: approach with caution [PDF]

, 2016
Plant population responses are key to understanding the effects of threats such as climate change and invasions. However, we lack demographic data for most species, and the data we have are often geographically aggregated.
Buckley, Y.M., Coutts, S.R., Csergő, A.M., Salguero-Gómez, R.   +3 more
core   +4 more sources

Resources and ontogenetic structure of cenopopulations of the genus Viola (Violaceae, Magnoliópsida) in the Right Volga bank of the Saratov region

Povolzhskiy Journal of Ecology, 2022
The results of our studies of resources and the state of coenopopulations of three species from the genus Viola, namely, V. canina L., V. tricolor L., and V.
E. B. Smirnova, M. A. Zanina, N. Semenova, H. S. Arushanyan, V. V. Shelop   +4 more
semanticscholar   +1 more source

Ecotoxicity Thresholds for Ametryn, Diuron, Hexazinone and Simazine in Fresh and Marine Waters [PDF]

, 2018
Triazine and urea herbicides are two groups of photosystem II inhibiting herbicides frequently detected in surface, ground and marine waters. Yet, there are few water quality guidelines for herbicides. Ecotoxicity thresholds (ETs) for ametryn, hexazinone
A Claver, A Hildebrandt, A Wightwick, D O’Brien, DA Hobbs, EC (European Commission), HJ Klimisch, IK Konstantinou, IK Konstantinou, JL Durda, JW Green, K Schneider, KR Solomon, KV Thomas, L Guzzella, M Gfrerer, M Muschal, M Ågerstrand, Michael St. J. Warne, MSJ Warne, MSJ Warne, Olivia King, P Mercurio, R Smith, RA Dam van, RA Smith, Rachael A. Smith, SM Peterson   +27 more
core   +1 more source

Estudio comparativo morfológico y micrográfico de las hojas de Digitalis lanata Ehrh. y Digitalis purpurea L.

Lilloa, 2022
El autor presenta estudios comparativos de las hojas de Digitalis purpurea L. y D. lanata Ehrh. porque ambas especies son de gran interés farmacológico. El material examinado fue cultivado por el autor en la ciudad de Córdoba.
José Carlomagno
doaj  

Variability of morphological parameters of Trapa natans (Trapaceae, Magnoliópsida) during reintroduction into water bodies of the Saratov region from those of the Voronezh region

Povolzhskiy Journal of Ecology, 2022
The fruits of Trapa natans L. s. l. (Trapaceae), which has disappeared from the territory of the Saratov region, collected in the floodplain lakes of the Khoper river in the Voronezh region (Novokhopersky district), were sown in the fall of 2019 and ...
A. S. Parkhomenko, A. Kashin, I. V. Shilova, L. V. Grebenyuk, A. V. Bogoslov, A. Denisov, A. O. Kondratyeva, V. Parkhomenko   +7 more
semanticscholar   +1 more source