Results 51 to 60 of about 92,804 (340)
An overview is provided of the mechanochemistry of metal‐organic frameworks (MOFs) and covalent‐organic frameworks (COFs), highlighting opportunities and strategies for discovery, synthesis and reactivity studies of these materials. Mechanistic studies and comparisons to the mechanochemistry of organic solids are outlined, showcasing how advances in ...
Joseph M. Marrett+3 more
wiley +1 more source
The Cost Of Reinforcement: Selection On Flower Color In Allopatric Populations Of Phlox Drummondii* [PDF]
Reinforcement is the process by which increased reproductive isolation between incipient species evolves due to selection against maladaptive hybrids or costly hybrid mating.
Hopkins, Robin, Rausher, Mark D.
core +1 more source
Vision‐Assisted Avocado Harvesting with Aerial Bimanual Manipulation
This work outlines the design and implementation of a bimanual aerial robot that employs visual perception and learning to detect, reach, and harvest avocados. A new gripper and fixer arm assembly is used to harvest avocados, while visual perception enables the detection of avocados and estimation of their position and orientation for determining ...
Zhichao Liu+3 more
wiley +1 more source
A decline in pollinator dependent vegetable crop productivity in India indicates pollination limitation and consequent agro-economic crises. [PDF]
Approximately 70% of the tropical crop species depend on pollinators for optimum yields (Roubik, 1995, Klein 2007). The economic value of such pollinated crops to India is $726 million and India is the world's second largest vegetable producer ...
Parthiba Basu+2 more
core +1 more source
The Pollination of Toadflax [PDF]
Linaria spuria, Miller, is a not uncommon weed of cornfields on calcareous soils in the Midlands and south of England, in western, central, and southern Europe, in, northern Africa, and in western Asia, and it occurs adventitiously in North America. I have never observed insects pollinating the flower.
openaire +6 more sources
Osmia cornifrons (Radoszkowski) (Hymenoptera: Megachilidae) is an effective orchard pollinator. Considering the honey bee population decline in recent years, the conservation and propagation of O.
Neelendra K. Joshi+2 more
doaj +1 more source
Our review looks at pollinator conservation and highlights the differences in approach between managing for pollination services and preserving pollinator diversity. We argue that ecosystem service management does not equal biodiversity conservation, and that maintaining species diversity is crucial in providing ecosystem resilience in the face of ...
David Kleijn+6 more
openaire +4 more sources
The seal louse Echinophthirius horridus has uniquely shaped setae that may reduce drag during its host's dives. Using numerical simulations, this study demonstrates that their natural inclination promotes vortex formation, minimizing friction and energy loss. These findings provide insights into biological surface adaptations and may inspire the design
Anika Preuss+3 more
wiley +1 more source
Pollination services in the UK: how important are honeybees? [PDF]
Pollination services are known to provide substantial benefits to human populations and agriculture in particular. Although many species are known to provide pollination services, honeybees (Apis mellifera) are often assumed to provide the majority of ...
Bailey, Alison P.+3 more
core +1 more source
Vairimorpha (Nosema) ceranae is a pathogen that affects Apis mellifera and Apis ceranae Fabricius, capable of spreading within and between honeybee colonies.
Pengfei Wang+8 more
doaj +1 more source