Results 171 to 180 of about 8,301,898 (327)

Boundedness, persistence and stability for classes of forced difference equations arising in population ecology. [PDF]

J Math Biol, 2019
Franco D, Guiver C, Logemann H, Perán J.   +3 more
europepmc   +1 more source

Ban Glyphosate—Does It Affect the Swedish Farmers' Willingness to Grow Cover Crops?

Applied Economic Perspectives and Policy, EarlyView.
ABSTRACT The cultivation of cover crops is one of the new Eco‐scheme practices introduced in Sweden. This study examines how the design of policy attributes of these schemes influences farmers' willingness to grow cover crops on arable land, with particular focus on the potential impact of a glyphosate ban.
Vivian Wei Huang, Anna Kristina Edenbrandt, Elin Röös   +2 more
wiley   +1 more source

The population ecology and habitat relationships of Grant's gazelle (Nanger granti Brooke, 1872) in the Lamo Forest and the adjacent fragmented forests in South Central Ethiopia. [PDF]

BMC Zool
Dobamo T, Achiso Z.
europepmc   +1 more source

Unexpected spatial population ecology of a widespread terrestrial salamander near its southern range edge. [PDF]

R Soc Open Sci, 2019
Hernández-Pacheco R, Sutherland C, Thompson LM, Grayson KL.   +3 more
europepmc   +1 more source

Advancing population ecology with integral projection models: a practical guide

, 2014
C. Merow, J. Dahlgren, C. Metcalf, D. Childs, Margaret E. K. Evans, E. Jongejans, S. Record, M. Rees, R. Salguero‐Gómez, S. McMahon   +9 more
semanticscholar   +1 more source

Do outgrower schemes enhance technology adoption and productivity? Evidence from maize farmers in Northern Ghana

Agribusiness, EarlyView.
Abstract Nucleus outgrower schemes are contractual arrangements where well‐resourced large‐scale farmers (nucleus farmers) are empowered by development support agencies to take charge of smallholder farmers, by providing them with market access and the necessary training on agronomic practices and farm inputs for production.
Dominic Tasila Konja, Awudu Abdulai
wiley   +1 more source

Influenza A Viruses in the Swine Population: Ecology and Geographical Distribution. [PDF]

Viruses
Klivleyeva N, Saktaganov N, Glebova T, Lukmanova G, Ongarbayeva N, Webby R.   +5 more
europepmc   +1 more source

Cohabiting With the Enemy: Comparative Population Ecology of Two Mantid Species in a Successional Old Field. [PDF]

Environ Entomol, 2017
Gall CA, Rose RK, Hurd LE.
europepmc   +1 more source

Can outsourcing pest and disease control help reduce pesticide expenditure? Evidence from rice farmers

Agribusiness, EarlyView.
Abstract Outsourcing pest and disease control (PDC) has grown rapidly worldwide, especially in developing countries. Although numerous studies have investigated various advantages of outsourcing PDC, little is known about its impact on pesticide expenditure.
Pengcheng Wang, Wanglin Ma, Mengling Diao   +2 more
wiley   +1 more source

Population ecology and herd dynamics of blue bull Boselaphus tragocamelus in forest and agrarian lands of district Ludhiana Punjab. [PDF]

Sci Rep
Rani K, Babbar BK, Dhillon AK.
europepmc   +1 more source