Results 121 to 130 of about 74,165 (299)

Application of Principal Component Analysis and Probabilistic Neural Networks in Ferralsols Recovery Evaluation Through Planting of Mabea Fistulifera and Eucalyptus Urograndis

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT This study presents an innovative assessment model for analyzing the evolution of degraded soils subjected to different reclamation strategies. The proposal combines statistical and artificial intelligence tools to jointly integrate multiple physical and chemical soil properties, allowing for a more synthetic view of the processes.
Melissa Alexandre Santos   +7 more
wiley   +1 more source

Is there a diel pattern to nectar secretion in the Red Bloodwood Corymbia gummifera? [PDF]

open access: yes, 2013
Nectar secretion was measured at 6-h intervals over a 24-h period in flowers of the Red Bloodwood, Corymbia gummifera (family Myrtaceae). Secretion varied among time periods and among trees. There was no clear diurnal or nocturnal pattern.
Goldingay, Ross L.
core  

Effect of population reinforcement method, site, and plant characteristics on early establishment of the rare endemic plant species Minuartia smejkalii

open access: yesNordic Journal of Botany, EarlyView.
Many habitat‐specialist plant species have been endangered by fragmentation or destruction of their habitats. Minuartia smejkalii is a serpentinophyte endemic to the Czech Republic. It is highly threatened by recent habitat destruction and fragmentation, calling for effective conservation measures.
Alrun Siebenkäs   +3 more
wiley   +1 more source

Effects of honeybee pollination and other insect pollinators on increasing the seed yield and germination capacity of carrot (Daucus Carota L.) in the central highlands of Ethiopia

open access: yesBMC Plant Biology
The main objective of this study was to assess the effects of honeybee pollination and other insect pollinators on the seed yield and germination capacity of the Daucus carota variety Haramaya I in the Central Highlands of Ethiopia for two consecutive ...
Tura Bareke   +4 more
doaj   +1 more source

Genetic Compatibility Study With Various Pollination Methods On Three Types Of Lowland Passion Fruit (Passiflora edulis)

open access: yesJERAMI
This research aimed to study the genetic compatibility of three lowland passion fruit genotypes and to see the effect of various types of pollination on passion fruit characteristics.
Syahrul Utama   +3 more
doaj   +1 more source

Variation in pollen limitation among reproductive modules points to likely resource reallocation in the alpine plant Veratrum grandiflorum

open access: yesNordic Journal of Botany, EarlyView.
Pollen limitation, a decrease in seed production due to insufficient pollen receipt, may influence plant demography and the evolution of sexual systems. Its empirical estimation of pollen supplementation of some of the flowers on an individual is well known to be prone to overestimation due to potential resource reallocation among the individual's ...
Xia Jiang   +6 more
wiley   +1 more source

The reduction in genetic quality of seeds resulting from self-pollination acts as a pivotal factor limiting the regeneration of the endangered plant Tetracentron sinense Oliv

open access: yesGlobal Ecology and Conservation
Tetracentron sinense Oliv., an endangered relict species from the Eocene, primarily relies on self-pollination in nature. However, the impacts of self-pollination on seed quality, seedling viability, and population renewal remain unclear.
Hongyan Han   +5 more
doaj   +1 more source

Generalist‐pollinated Arabis alpina exhibits floral scent variation at multiple scales

open access: yesNordic Journal of Botany, EarlyView.
Plants that depend on animals for reproduction often use complex floral traits to attract pollinators. Floral scent is recognized as part of the pollinator attraction module and can be shaped by plant‐pollinator interactions. In recent decades, research has started to reveal the dynamic properties of floral scent, identifying patterns of spatial and ...
Hanna Thosteman   +5 more
wiley   +1 more source

The feasibility principle in community ecology

open access: yesOikos, EarlyView.
The structure and function of ecological communities emerge from interactions among populations within specific environmental contexts. Yet we still lack general principles that explain how communities assemble, which patterns we should expect, and when transitions occur across diverse settings.
Serguei Saavedra
wiley   +1 more source

Policy Capacity for Novel Technology Adoption: Developmental Insights From Singapore's AI Adoption in Long‐Term Care

open access: yesPublic Administration and Development, EarlyView.
ABSTRACT Worldwide, artificial intelligence‐driven technologies, including robotics and autonomous systems (RAS), are adopted to address manpower shortages in long‐term care. However, their effective use requires a reasonable degree of policy capacity across individual‐, organisational‐ and system‐levels.
Si Ying Tan, Lili Li, Araz Taeihagh
wiley   +1 more source

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