Results 71 to 80 of about 40,392 (259)

Pollination Systems of Palms (Arecaceae)

open access: yesJournal of Pollination Ecology
A review is given of pollination systems in the palm family (Arecaceae). Pollination studies of 149 species (6% of the total number) in 60 genera (33% of the total number) are reviewed. The majority of these studies (75%) are of Neotropical palms.
Andrew Henderson
doaj   +1 more source

Pollination by flies, bees, and beetles of Nuphar ozarkana and N. advena (Nymphaeaceae) [PDF]

open access: yes, 2000
Nuphar comprises 13 species of aquatic perennials distributed in the temperate Northern Hemisphere. The European species N. lutea and N. pumila in Norway, the Netherlands, and Germany are pollinated by bees and flies, including apparent Nuphar ...
Gardine, Angela A.   +3 more
core   +1 more source

The effects of methyl parathion on the colony dynamics of Apis mellifera : a thesis submitted in partial fulfilment of the requirements for the degree of Master of Science in Ecology at Massey University, Palmerston North, New Zealand [PDF]

open access: yes, 2000
The detrimental effects of pesticides to honey bee colonies were assessed using a combination of electronic and manual sampling techniques. Initial experiments determined that electronic bee counters could be used to identify and monitor toxic events ...
Taylor, Michelle Anne
core  

Using citizen science to monitor pollination services [PDF]

open access: yes, 2015
1. Pollination by insects is a vital ecosystem service and the need for its assessment is increasing in recognition and political pressure, but there are currently no large-scale systematic monitoring schemes in place to measure the direct provision of ...
Ahrné   +34 more
core   +1 more source

The Dynamics of Pollination Markets [PDF]

open access: yes
The economic problem of a commercial beekeeper is akin to that of a traveling salesman with the important difference that bees simultaneously pollinate crops and feed on them.
Champetier, Antoine
core   +1 more source

Marketing Tips for Small-scale, Local Honey Bee Keepers in Northwest Arkansas [PDF]

open access: yes, 2017
The objective of this thesis was to gain market information for beekeepers regarding different honey bee products and to provide information about economic feasibility when produced on a small, local scale.
Goll, Samuel L.   +3 more
core   +2 more sources

Economic aspects of the bee industry / [PDF]

open access: yes, 1933
B55
Galbraith, John Kenneth, 1908-2006   +2 more
core   +2 more sources

Assessment of stingless bee densification to improve pollination service: a case study in strawberry cultivation in field conditions

open access: yesJournal of Ecology and Environment
Background: Pollination is an ecosystem service of utmost importance for agriculture. In this context, the study aimed to evaluate the pollination service of naturally occurring bees and after densification with colonies of stingless bees (Nannotrigona ...
Priscila Silva Miranda   +4 more
doaj   +1 more source

Effects of therapeutants and temperature on pollen germination, pollen tube growth and fruit set in fruit crops : a thesis presented in partial fulfilment of the requirements for the degree of Master of Horticultural Science at Massey University [PDF]

open access: yes, 1980
This study involved assessments of therapeutant effects on pollination and fruit set; of temperature effects on pollen germination and pollen tube growth in apples, peaches and kiwifruits; of flowerage effects on pollen germination and pollen tube growth
Manandhar, Dwarika Narayan
core  

A nesting aggregation of the solitary bee Megachile atrata (Hymenoptera: Megachilidae) in the Philippines [PDF]

open access: yes, 2017
A nesting aggregation of Megachile (Creightonella) atrata Smith in the Philippines comprised almost 300 active nests.  The bees in rapid flight resemble the hornet Vespa tropica Linnaeus. The nest structure is similar to that reported for M.
Starr, Christopher K.
core   +2 more sources

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