Results 21 to 30 of about 28,525 (160)

Population structure of sea-type and lake-type sockeye salmon and kokanee in the Fraser River and Columbia River drainages.

open access: yesPLoS ONE, 2017
Population structure of three ecotypes of Oncorhynchus nerka (sea-type Sockeye Salmon, lake-type Sockeye Salmon, and Kokanee) in the Fraser River and Columbia River drainages was examined with microsatellite variation, with the main focus as to whether ...
Terry D Beacham, Ruth E Withler
doaj   +1 more source

Sexual reproduction of yellow ecotype of Neurospora intermedia in nature [PDF]

open access: yes, 2000
The vegetative stage of yellow ecotype of Neurospora intermedia occurs on various substrates but there has been no evidence of its telomorphic stage in nature.
A Pandit   +5 more
core   +1 more source

Some agronomic traits affected by sowing date× ecotype interaction effect.

open access: yes, 2021
Some agronomic traits affected by sowing date× ecotype interaction effect.
Majid AghaAlikhani (11462587)   +3 more
core   +1 more source

Assessing Populations Diversity of Small Panel Oak (Quercus brantii) in Western Forests of Iran: a Major Effort in Reforestation Programs [PDF]

open access: yesJournal of Nuts
Persian oak (Quercus brantii) is a critical, economic, and environmental species of Zagros forests in Iran. The effects of climate change and drought have caused a decline in Persian oak populations, leading to a severe reduction in genetic resources for
Adele Rafezi   +3 more
doaj   +1 more source

Complex interactions between temperature and relative humidity on water balance of adult tsetse (Glossinidae, Diptera): implications for climate change

open access: yesFrontiers in Physiology, 2011
Insect water balance plays an important role in determining energy budgets, activity patterns, survival and population dynamics and, hence, geographic distribution. Tsetse (Glossina spp.) are important vectors of human and animal disease occupying a wide
Elsje eKleynhans, John S. Terblanche
doaj   +1 more source

Cadmium Induced Changes of Proline in Two Ecotypes of Thlaspi Caerulescens

open access: yesE3S Web of Conferences, 2013
A Thlaspi caerulescens (J. & C. PRESL) was used to study the effect of cadmium on the content of free amino acids and ability accumulation of Cd in ecotypes of this plant species. In pot experiment two ecotypes T.
Zemanová V.   +2 more
doaj   +1 more source

Some notes on taxonomy and diversity of Onosma with emphasis on important evidence and complex groups in Flora Iranica [PDF]

open access: yesرستنی‌ها, 2017
Onosma L. as a rich taxa in Boraginaceae including about 150–180 species, centered mainly in Irano-Turanian region. The genus faced with several systematic complexities lead to many identification problems as well as morphological polymorphism.
Sadaf Sayadi   +2 more
doaj   +1 more source

Phytotoxic Potential and Phenolic Profile of Extracts from Scrophularia striata

open access: yesPlants, 2021
A large number of plants produce secondary metabolites known as allelochemicals that are capable of inhibiting the germination of competitive species.
Seyyed Sasan Mousavi   +4 more
doaj   +1 more source

Contrasting activity patterns determined by BrdU incorporation in bacterial ribotypes from the Arctic Ocean in winter

open access: yesFrontiers in Microbiology, 2013
The winter Arctic Ocean is one of the most unexplored marine environments from a microbiological perspective. Heterotrophic bacteria maintain their activity at a baseline level during the extremely low energy conditions of the winter, but little is known
Pierre E Galand   +4 more
doaj   +1 more source

Three-Dimensional Evaluation on Ecotypic Diversity of Traditional Chinese Medicine: A Case Study of Artemisia annua L.

open access: yesFrontiers in Plant Science, 2017
Artemisinin is the first-line drug for anti-malaria recommended by the World Health Organization (WHO). As the sole natural plant source of artemisinin, ecotypes of Artemisia annua L.
Lin Li   +5 more
doaj   +1 more source

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