Results 81 to 90 of about 243,024 (208)

Effects of zinc and copper on male gametophytes off lowering plants [PDF]

open access: yes, 1998
The Effect of Zinc and Copper on Male Gametophytes of FloweringPlants1) The aim of this study was to investigate the effect of heavy metals in the development of male gametophytes in flowering plants.
Damit, Dk Rosinah Pg Hj
core  

The Effect of Giving Pollen and Pollen Supplement to Honeybee Colonies on the Amount of Pollen Collected

open access: yesJournal of Apicultural Research, 1971
SummaryFeeding pollen in the hive in summer reduced the amount of pollen collected by the colony. But when a pollen supplement was provided instead, little was consumed and there was no apparent effect on pollen collection.
Free, J. B., Williams, I. H.
openaire   +1 more source

Eurasian Modern Pollen Database (former European Modern Pollen Database)

open access: yes, 2019
The Eurasian Modern Pollen Database (EMPD) contains modern pollen data (raw counts) for the entire Eurasian continent. Derived from the European Modern Pollen Database, the dataset contains many more samples West of the Ural Mountains.
Zanon, Marco   +15 more
core   +1 more source

"Geneviève Burkardt. Suivant les voies" [Exposition. Agen, Les Jacobins. 1992]

open access: yes, 1992
[Exposition. Agen, Les Jacobins. 1992]. URL :
Régimbeau, Gérard
core   +1 more source

NOTES ON THE POLITICAL CULTURE IN ROMANIA / ANMERKUNGEN ZUR POLITISCHEN KULTUR IN RUMÄNIEN

open access: yesStudia Universitatis Babeş-Bolyai. Studia Europaea, 2016
This article focuses on the roots of political culture in Romania, beginning with the consolidation of the independent state, continuing through the experience of totalitarianism and the transformation process after the fall of comunism.
Walter ROTHHOLZ
doaj  

Pollen-transport networks

open access: yes, 2013
Quantitative matrices of interactions among insect pollinators and plant pollen types for species-species and individuals-species networks at two study ...
Traveset, Anna   +3 more
core   +1 more source

Effects of Three Different Bee Pollen on Digestion, Immunity, Antioxidant Capacity, and Gut Microbes in Apis mellifera

open access: yesInsects
The nutritional value of pollen for honeybees varies significantly depending on its source. This study examines the nutrient composition of three types of bee-collected pollen—Maize bee-collected pollen (MBP), Lotus bee-collected pollen (LBP), and ...
Xin-Meng Li   +4 more
doaj   +1 more source

The search for the best airborne pollen monitoring locations

open access: yes
In Europe a quarter of the adult population and a third of all children suffer from allergenic airborne pollen thereby decreasing the quality of life. In order to ease the pollen induced symptoms mitigation measures can be applied.
A.W. Delcloo   +4 more
core   +1 more source

Pollen-based precipitation reconstructions for the last 14.7 kyr in the East Asian summer monsoon margin

open access: yes, 2017
Pollen-based past climate reconstruction for regions with long-term human occupation is always controversial. We examined the bias induced by the human impact on vegetation in a climate reconstruction for temperate eastern China by comparing the ...
Xu, Qinghai   +5 more
core   +1 more source

When is a Cliche not a Cliche? Reconsidering Mass-Produced Sunsets [PDF]

open access: yes, 2018
Sunsets are everywhere. Nightly they appear, vast and humbling, orange, pink and purple. Like snowflakes, it is said that every single one is different. Natural, ephemeral and beautiful, they constitute exactly the kind of subject that prompts people to ...
Pollen, Annebella; id_orcid
core  

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