Results 231 to 240 of about 331,163 (349)

Portulaca eggliana (Portulacaceae), a new species from the Brazilian Amazonian savannas

open access: yesNordic Journal of Botany, EarlyView.
A new species of Portulacaceae from the Amazonian savannas of northern Brazil is herein described and illustrated. Portulaca eggliana is morphologically related to P. umbraticola, but differs in the number of involucral leaves, sepal morphology, bracteole shape, and seed surface.
José Roberto Ferraz   +4 more
wiley   +1 more source

James Forder, Macroeconomics and the Phillips Curve Myth

open access: yesŒconomia, 2019
Aurélien Goutsmedt
doaj  

Genetic Allee Effects for Controlling Invasive Populations. [PDF]

open access: yesMol Ecol
Nowell Nicolle L   +3 more
europepmc   +1 more source

Righting Past Wrongs Through Restorative Justice: Managerial Motivations for Collaboration

open access: yesNonprofit Management and Leadership, EarlyView.
ABSTRACT Nonprofits are crucial to state collaborations as their embedded nature in communities allows them to gain the trust necessary to facilitate change and enhance strengths. As nonprofits collaborate with the public sector to tackle systemic challenges, understanding managerial motivations for collaboration and implications for social change is ...
Kara L. Lawrence   +2 more
wiley   +1 more source

The effects of seasonality and parasitism on diet and habitat selection in the common periwinkle

open access: yesOikos, EarlyView.
The common periwinkle Littorina littorea is an ecologically important grazer, known for its strong influence on algal communities and its role in structuring ecosystems. It serves as the first intermediate host for several trematode species in the Baltic Sea, especially for the fluke Cryptocotyle lingua.
Friederike Gronwald   +7 more
wiley   +1 more source

Species identity and spatial scale drive context‑dependent tree diversity effects in a Finnish forest experiment

open access: yesOikos, EarlyView.
Tree species diversity is known to affect tree growth and leaf traits, which in turn can influence various ecosystem processes. However, the reported direction of these tree diversity effects is inconsistent, indicating that their outcomes depend strongly on ecological context.
Juri A. Felix   +2 more
wiley   +1 more source

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