Results 41 to 50 of about 248,109 (208)

Quality and Safety Assessment of Honey Imported from Ukraine to Poland: Physicochemical and Residue Analysis

open access: yesJournal of Apicultural Science
The aim of the study was to determine whether honey imported to Poland from Ukraine meets the quality standards and whether it is free of residues of plant protection products in accordance with the maximum permissible residue levels (MRLs).
Jaśkiewicz Katarzyna, Szczęsna Teresa
doaj   +1 more source

Vulnerability to Climate Change of Mangroves: Assessment from Cameroon, Central Africa

open access: yesBiology, 2012
Intertidal mangrove ecosystems are sensitive to climate change impacts, particularly to associated relative sea level rise. Human stressors and low tidal range add to vulnerability, both characteristics of the Doula Estuary, Cameroon.
Isabella Zouh, Joanna C. Ellison
doaj   +1 more source

Differentiating apple sports by pollen ultrastructure : a thesis presented in partial fulfilment of the requirements for the degree of Master of Horticultural Science at Massey University [PDF]

open access: yes, 1995
Cultivars are plants that form distinct, uniform and stable phenotypes. New cultivars can be protected by Plant Variety Rights (PVR) which allow the owner exclusive rights to the propagation and sale of the plant material.
Currie, Alastair John
core  

Coastal evolution in a Mediterranean microtidal zone: mid to late Holocene natural dynamics and human management of the Castelló lagoon, NE Spain [PDF]

open access: yes, 2016
© 2016 Ejarque et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are ...
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core   +5 more sources

Potential inbreeding in a small population of a mass flowering species, Xanthorrhoea johnsonii (Xanthorrhoaceae): is your mother my father? [PDF]

open access: yes, 2012
Xanthorrhoea johnsonii is a long lived slow growing perennial understorey species, that produces a large quantity of passively dispersed seed every 3-5 years. Reproductive maturity is not reached until 20-30 years of age.
King, Rachel, Zalucki, Jacinta M.
core   +2 more sources

Pollen Collected and Foraging Activities of Frieseomelitta varia (Lepeletier) (Hymenoptera: Apidae) in an Urban Landscape

open access: yesSociobiology, 2013
Cities provide resources for animal species that live within them or inhabit their surroundings. This has motivated an increase in ecological studies of urban areas, including the interactions between plants and pollinators.
Kátia Paula Aleixo   +4 more
doaj  

Sidr Honeys Physical and Chemical Characterization, a Comprehensive Approach through LC-MS/MS, NMR, and GC-MS Analysis

open access: yesSeparations, 2023
Honey intake is advantageous to human health due to its antioxidant, anticancer, anti-inflammatory, and antimicrobial properties, all of which are attributed to the rich bioactive compound contents.
Aida A. Abd El-Wahed   +11 more
doaj   +1 more source

Flower Biology of Two Diospyros Species Neighborly Live at Csc Area: Do Pollen Viability and Tube Growth Rate Shire Endemic Distribution [PDF]

open access: yes, 2008
Aims of study were to compare flower structure, pollen viability and pollen tube growth rate of two Diospyros species neighborly live in Cibinong Science Centre (CSC) park, Diospyros blancoi and D.
Rachman, E. (Erlin)
core  

Impact of earthquakes on agriculture during the Roman–Byzantine period from pollen records of the Dead Sea laminated sediment [PDF]

open access: yes, 2010
The Dead Sea region holds the archives of a complex relationship between an ever-changing nature and ancient civilisations. Regional pollen diagrams show a Roman–Byzantine period standing out in the recent millennia by its wetter climate that allowed ...
Amiran   +24 more
core   +1 more source

Quaternary Vegetation History of the Lower Bengal Basin (India) Inferred from Palaeo-palynological Analysis

open access: yesAnnals of Tropical Research, 2015
Black peat samples deposited in between sandy clay layers were collected from an uncovered profile at Rajarhat, 24 Paraganas (N), 20 km extreme North East of the city of Kolkata, (22⁰34’N, 88⁰ 30′ E) West Bengal.
Payel Roy, Chandra Barui
doaj   +1 more source

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