Results 21 to 30 of about 45,595 (174)

Ethnobotanical and genetic assessments of Central American avocado landraces reveal novel sources of biodiversity and ancient migration patterns

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Avocados are a multibillion‐dollar global commodity, but their growing export market pressures local farmers to abandon local fruit tree diversity in favor of commercial cultivar production. Interviews with rural avocado farmers and households from the Southern Mexican Highlands, Pacific Coastal Honduras, and Western Nicaragua, as well as the genetic ...
Kevin Wann   +4 more
wiley   +1 more source

Polen [PDF]

open access: yes, 2003
ARTIKELEN: M. Król - De staat van Polen; een democratie zonder staatsburgers B. Gruszczynska en A. Rzeplinski - Corruptie in Polen; een alledaags verschijnsel P.P. Mlicki - De politie in Polen; hervormingen en uitdagingen E.J.
Meijer, E.J.   +7 more
core   +1 more source

Keanekaragaman polen sebagai sumber pakan lebah Trigona sp. di Desa Sukawening Kecamatan Dramaga Kabupaten Bogor

open access: yesJurnal Biologi Udayana, 2023
Lebah tanpa sengat pada umumnya menghasilkan produk madu, selain itu juga terdapat serbuk sari yang dapat dikaji pada ilmu melissopalinologi untuk mengidentifikasi morfologi polen, jenis serta geografis dari    tumbuhan. Polen atau serbuk sari juga dapat
Ryan Triyadi   +2 more
doaj   +1 more source

Needle in a haystack: Holocene history of European larch in Central Europe revisited

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Defining nativity of species is crucial for their management. However, this is a complex task, especially for species that have been used and spread by humans for a long time. We combined paleoecological records with extensive genetic data to investigate the Holocene history of European larch—a common and economically important tree species in Central ...
Martin Prach   +11 more
wiley   +1 more source

Kamieniecki Geschlecht und seine Beziehungen zu Moldau am Ende des 15. und zu Beginn des 16. Jahrhunderts. Ein Überblick [PDF]

open access: yesCodrul Cosminului, 2014
This paper refers to the Kamieniecki Family and its relations with Moldova in 15th and 16th century. This family owed their careers and social advancements to the immersion in Polish policy towards Moldova.
Katarzyna Niemczyk
doaj  

ZWISCHEN SPRACH- UND REZEPTIONSÖKONOMIE. ZU VERWEISUNGEN ALS MITTEL DER TEXTVERDICHTUNG AN BEISPIELEN AUS DEM DEUTSCHEN STGB

open access: yesComparative Legilinguistics, 2017
Im Zeitalter der globalisierten Wissensvermittlung und Kommunikation ist die Sprachökonomie zu einem relevanten Faktor im Gestaltungsprozess von Fachtexten geworden.
Karolina KĘSICKA
doaj   +1 more source

Pollen landscape saturation on pollinator bodies reduces pollen deposition by subsequently visited bat‐pollinated flowers

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Sexual selection in flowering plants often operates through male–male competition, yet the mechanisms underlying this phenomenon remain difficult to demonstrate. One potential arena for such competition is pollen placement on pollinators, where pollen grains from ...
Vinícius L. G. Brito   +5 more
wiley   +1 more source

Ein Verfahren zur Bestimmung von elektrochemisch-kinetischen Parametern an der rotierenden Scheibenelektrode

open access: yesCHIMIA, 1975
A simple equation has been proposed for the calculation of the first order rate constant of electrode reactions proceeding at the rotating disc. The expression discussed was applied to determine the kinetic parameters of the system Cu(II)/Cu(I) in 2M ...
Jan Malyszko
doaj   +1 more source

Honokiol regulates Acute respiratory distress syndrome (ARDS)‐associated pulmonary fibrosis via the miR‐19a‐3p/POSTN axis

open access: yesBritish Journal of Pharmacology, EarlyView.
Abstract Background and Purpose Acute respiratory distress syndrome (ARDS) and subsequent pulmonary fibrosis are associated with high mortality and limited treatment options. Periostin (POSTN) is a profibrotic mediator predicted to be regulated by microRNA‐19a‐3p (miR‐19a‐3p), but the relevance of this axis in ARDS‐associated pulmonary fibrosis remains
Weilun Liu   +14 more
wiley   +1 more source

Phosphoranaloga von Aminosäuren und Peptiden: β-Lactam-Grundgerüst mit Aminomethylphosphonsäure

open access: yesCHIMIA, 1984
Syntheses of β-lactams containing aminomethylphosphonate involving the Ugi-reaction of diethylisocyanmethylphosphonate 4 with carbonyl compounds 3 and β-alanine are reported.
Janusz Rachoń
doaj   +1 more source

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