Results 81 to 90 of about 36,695 (213)

Przestrzenne i czasowe zróżnicowanie Apoidea w lasach Wielkopolskiego Parku Narodowego [PDF]

open access: yes, 1994
Results of the investigations of spatial and temporal differentiations of Apoidea in the forests of Wielkopolski National Park were presented. It was shown that the both forest floor differ with the degree of species differentiation and domination’s ...
Banaszak, Józef, Cierzniak, Tomasz
core  

Nesting and reproductive habits of the solitary bee Centris analis in trap nests under a tropical climate

open access: yesRevista Ciência Agronômica, 2019
Pollination is a key factor in global agricultural production, and there is a need to increase the number of bee species that can be bred for pollination in agriculture, such as the oil-collecting solitary bee Centris (Heterocentris) analis (Fabricius ...
Diego de Vasconcelos Lourenço   +3 more
doaj   +1 more source

Pollination patterns in safflower (Carthamus tinctorius L.) : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Plant Science at Massey University [PDF]

open access: yes, 1981
The influence of environmental conditions on safflower (Carthamus tinctorius L.) floret characters and insects were studied in relation to pollination in this species.
Woods, Peter William
core  

Pollination efficiency by bee guilds (Hymenoptera: Apoidea) to annatto flowers, Bixa orellana L.1753 (Bixaceae) [PDF]

open access: yesBrazilian Journal of Biology
Insect’s pollination is essential in the maintaining of species abundance and diversity in the biomes. Bees are the most common pollinators of flowering plants, being their services very important in the conservation of biotope and biodiversity. The aims
K. S. Arteman   +4 more
doaj   +1 more source

Managing urban areas for insect pollinators: As town and cities continue to grow how can land managers help insect pollinators in urban areas? [PDF]

open access: yes, 2015
Insect pollinators are essential for food production and wild flower reproduction yet these important insects are declining in the UK and in other regions of the world.
Baldock, Katherine   +2 more
core   +1 more source

How Bees Respond Differently to Field Margins of Shrubby and Herbaceous Plants in Intensive Agricultural Crops of the Mediterranean Area [PDF]

open access: yes, 2019
(1) Intensive agriculture has a high impact on pollinating insects, and conservation strategies targeting agricultural landscapes may greatly contribute to their maintenance.
Carrasco, Aline   +4 more
core   +1 more source

Analysis and modelling of the COLOSS international data set 2010-2011 [PDF]

open access: yes, 2012
Colony Losses have been calculated for Netherlands, Germany, Poland, Hungary, Austria, Denmark, Ireland and the UK. The following approach was used. Initial analysis was conducted using examination of the data and descriptive statistics.
Gray, Alison
core  

POLLINATING BEE [PDF]

open access: yesBulletin of the Ecological Society of America, 2005
Lynn S. Adler, Rebecca E. Irwin
openaire   +1 more source

Home - About - Disclaimer - Privacy