Results 41 to 50 of about 1,481 (225)

Genuine Saving and the Voracity Effect [PDF]

Many resource-rich countries have negative genuine saving rates, so deplete their exhaustible natural resource wealth faster than they build up wealth in other assets.
Frederick van der Ploeg
core   +1 more source

An Acoustic Treatment to Mitigate the Effects of the Apple Snail on Agriculture and Natural Ecosystems

Journal of Marine Science and Engineering, 2021
Global change is the origin of increased occurrence of disturbance events in natural communities, with biological invasions constituting a major threat to ecosystem integrity and functioning.
Marta Solé, José-Manuel Fortuño, Mike van der Schaar, Michel André   +3 more
doaj   +1 more source

Population Dynamics of Northern Pearl Dace Margariscus nachtriebi in Anthropogenically Altered Headwater Streams of the Nebraska Sandhills Ecoregion

River Research and Applications, EarlyView.
ABSTRACT Empirical evidence of population demographic responses to environmental perturbations is a major knowledge gap for aquatic vertebrate populations. Extensive habitat alteration including channelization of headwater streams influences the habitat template on which small‐bodied fish are dependent to carry out distinct life stages and maintain or ...
Joseph Spooner, Jonathan Spurgeon
wiley   +1 more source

Invasive goldfish trigger a regime shift in experimental lake ecosystems of varying trophic state

Journal of Animal Ecology, EarlyView.
The pet trade distributes exotic animals around the globe that enrich human lives. However, some pets become pests when released into the wild. This study provides experimental evidence that goldfish will negatively affect native freshwater organisms and ecosystems.
William D. Hintz, Hannah Barrett, Rick A. Relyea   +2 more
wiley   +1 more source

Commodity Windfalls, Polarization, and Net Foreign Assets: Panel Data Evidence on the Voracity Effect [PDF]

This paper examines the effects that windfalls from international commodity price booms have on net foreign assets in a panel of 145 countries during the period 1970-2007.
Rabah Arezki, Markus Brückner
core   +2 more sources

Host plant effect on functional response and consumption rate of Episyrphus balteatus (Diptera: Syrphidae) feeding on different densities of Aphis gossypii (Hemiptera: Aphididae)of Aphis gossypii (Hemiptera: Aphididae)

Journal of Crop Protection, 2013
One of the most important predator-prey interactions is functional response which its type and parameters are affected by different factors including host plant characteristics.
Maryam Sobhani, Hossein Madadi, Babak Gharali   +2 more
doaj  

Desegregationist Pan‐African Spiritual Strivings: Du Bois, the Black Church and the Critique of Imperialism*

Journal of Religious History, EarlyView.
Abstract This article argues that W. E. B. Du Bois grounded his seminal conceptualisation of “the Negro church” in a Pan‐Africanist challenge to how Christian reformers and missionaries' usage of “Darkest Africa” as a metaphor for modern urban vice and poverty denigrated Africa and the African diaspora while promoting a segregated, imperialist version ...
Kai Parker
wiley   +1 more source

Didaktik utan tendens

Tidskrift för Litteraturvetenskap, 2013
Didactics Without Tendency. Boccaccio’s Falcon and Per Hallström’s Short Story, ”The Falcon” This essay focuses on the issue of how and why a pre-modern didactics is incorporated into a modern aestheticist short story – namely, Per Hallström’s ”The ...
Beata Agrell
doaj   +1 more source

Voracity, growth and welfare [PDF]

Voracity, growth and welfare
This paper explores some implications of the comparison between feedback Nash and Stackelberg equilibria for growth and welfare in a `voracity' model. We show that as compared to the Nash equilibrium, the Stackelberg equilibrium involves a lower growth ...
Kenji Fujiwara
openaire   +1 more source

Poverty, voracity, and growth [PDF]

, 2011
This article investigates economic performance when enforceable property rights are missing and basic needs matter for consumption. It suggests a new view of the so-called voracity effect according to which windfall gains in productivity induce behavior ...
Strulik, Holger
core