Results 171 to 180 of about 157,869 (299)

Evolutionary Rate Incongruences in Squamates Reveal Contrasting Patterns of Evolutionary Novelties and Innovation. [PDF]

Syst Biol
Simões TR, Brum AS, Pierce SE.
europepmc   +1 more source

Fossils in Ontario [PDF]

Lemon, R. R. H. (Roy Richard Henry)
core   +2 more sources

Sustainable Productivity Growth in Agriculture: The Role of Shifts in R&D Investments and Technology

Applied Economic Perspectives and Policy, EarlyView.
ABSTRACT The objective of the paper is to evaluate the long‐term prospects of sustainable productivity growth linked to plausible assumptions on public agricultural R&D investments as the key productivity driver. Second, it investigates the role of changing R&D focus from yield maximization to input saving technologies (fertilizers and pesticides). The
Zuzana Smeets Křístková, Michiel van Dijk, Robert M'Barek, Hans van Meijl, Tomas Ratinger   +4 more
wiley   +1 more source

New fossil evidence from the Late Cretaceous of Europe (southern France) deepens the origin of Salamandridae (Urodela) and refines the biogeography of the family. [PDF]

Sci Rep
Macaluso L, Jansen O, Valentin X, Walter JD, Otero O, Amiot R, Garcia G.   +6 more
europepmc   +1 more source

On the Economics of US Agricultural Policy

Applied Economic Perspectives and Policy, EarlyView.
ABSTRACT This paper presents an economic analysis of US agricultural policy, building on a modified version of Gardner's efficient redistribution. We argue that agricultural policy is motivated as an attempt to implement an efficient redistribution scheme that redistributes income toward farmers who, as a group, have been adversely affected by ...
Jean‐Paul Chavas
wiley   +1 more source

Three-dimensional reconstruction of ediacaran ceramiales (Rhodophyta) from the phosphorite doushantuo formation, South China. [PDF]

Sci Rep
Du W, Wang X, Wang Y, Uesugi K, Yasutake M, Komiya T.   +5 more
europepmc   +1 more source

The Producing Horizon in the Rios Well in Caldwell County [PDF]

, 1922
University of Texas at Austin
core   +1 more source

Circularity, Sustainability, and the Quality of Coffee Sold via Vending Machines: What Do Italian Consumers Prefer?

Agribusiness, EarlyView.
ABSTRACT Vending is an important sector in the daily lives of many people, and coffee is the most frequently consumed product in the European market. Like many other sectors, vending is responding to the challenge of sustainable development by taking various actions, such as offering increasingly ecologically sound coffee while maintaining/improving ...
Alberto Bertossi, Stefania Troiano, Francesco Marangon   +2 more
wiley   +1 more source

An Increase in Animal Diversity was Facilitated by Ecologically-Driven Brain Complexity Throughout the Cambrian. [PDF]

Bioessays
Chipman AD.
europepmc   +1 more source

Aracistrobus, an enigmatic non-araceous fossil from the Eurasian Oligocene and Miocene [PDF]

, 2010
Bogner, Josef, Kvaček, Zlatko
core   +1 more source