The impacts of fine sediment on riverine fish

P Kemp, D Sear, A Collins, P Naden… - Hydrological …, 2011 - Wiley Online Library
Elevated fine sediment input from terrestrial and aquatic sources as a result of
anthropogenic activity is widely recognized to impact negatively on aquatic ecosystems. In …

Herbivores, resources and risks: alternating regulation along primary environmental gradients in savannas

JGC Hopcraft, H Olff, ARE Sinclair - Trends in ecology & evolution, 2010 - cell.com
Herbivores are regulated by predation under certain environmental conditions, whereas
under others they are limited by forage abundance and nutritional quality. Whether top-down …

On the specification of structural equation models for ecological systems

JB Grace, TM Anderson, H Olff… - Ecological …, 2010 - Wiley Online Library
The use of structural equation modeling (SEM) is often motivated by its utility for
investigating complex networks of relationships, but also because of its promise as a means …

A disease-mediated trophic cascade in the Serengeti and its implications for ecosystem C

RM Holdo, ARE Sinclair, AP Dobson, KL Metzger… - PLoS …, 2009 - journals.plos.org
Tree cover is a fundamental structural characteristic and driver of ecosystem processes in
terrestrial ecosystems, and trees are a major global carbon (C) sink. Fire and herbivores …

Competing consumers: contrasting the patterns and impacts of fire and mammalian herbivory in Africa

S Archibald, GP Hempson - … Transactions of the Royal …, 2016 - royalsocietypublishing.org
Fire and herbivory are the two consumers of above-ground biomass globally. They have
contrasting impacts as they differ in terms of selectivity and temporal occurrence. Here, we …

Opposing rainfall and plant nutritional gradients best explain the wildebeest migration in the Serengeti

RM Holdo, RD Holt, JM Fryxell - The American Naturalist, 2009 - journals.uchicago.edu
Multiple hypotheses have been proposed to explain the annual migration of the Serengeti
wildebeest, but few studies have compared distribution patterns with environmental drivers …

A unified framework for plant life‐history strategies shaped by fire and herbivory

S Archibald, GP Hempson, C Lehmann - New Phytologist, 2019 - Wiley Online Library
Fire and herbivory both remove aboveground biomass. Environmental factors determine the
type and intensity of these consumers globally, but the traits of plants can also alter their …

Ecological mechanisms underlying arthropod species diversity in grasslands

A Joern, AN Laws - Annual review of entomology, 2013 - annualreviews.org
Arthropods are an important component of grassland systems, contributing significantly to
biodiversity and ecosystem structure and function. Climate, fire, and grazing by large …

Changes in fire activity in Africa from 2002 to 2016 and their potential drivers

M Zubkova, L Boschetti… - Geophysical research …, 2019 - Wiley Online Library
While several studies have reported a recent decline in area burned in Africa, the causes of
this decline are still not well understood. In this study, we found that from 2002 to 2016 …

An integrative paradigm for building causal knowledge

JB Grace - Ecological Monographs, 2024 - Wiley Online Library
A core aspiration of the ecological sciences is to determine how systems work, which implies
the challenge of develo** a causal understanding. Causal inference has long been …