User profiles for J. Riggio

Jason Riggio

Postdoctoral Scholar, University of California, Davis
Verified email at ucdavis.edu
Cited by 1280

[HTML][HTML] The size of savannah Africa: a lion's (Panthera leo) view

J Riggio, A Jacobson, L Dollar, H Bauer… - Biodiversity and …, 2013 - Springer
We define African savannahs as being those areas that receive between 300 and 1,500 mm
of rain annually. This broad definition encompasses a variety of habitats. Thus defined, …

Global human influence maps reveal clear opportunities in conserving Earth's remaining intact terrestrial ecosystems

J Riggio, JEM Baillie, S Brumby, E Ellis… - Global Change …, 2020 - Wiley Online Library
Leading up to the Convention on Biological Diversity Conference of the Parties 15, there is
momentum around setting bold conservation targets. Yet, it remains unclear how much of …

[HTML][HTML] Global areas of low human impact ('Low Impact Areas') and fragmentation of the natural world

AP Jacobson, J Riggio, A M. Tait, J EM Baillie - Scientific Reports, 2019 - nature.com
Habitat loss and fragmentation due to human activities is the leading cause of the loss of
biodiversity and ecosystem services. Protected areas are the primary response to this …

[HTML][HTML] A novel approach to mapping land conversion using Google Earth with an application to East Africa

…, Z Rossman, A Stanish, H Walker, J Riggio - … Modelling & Software, 2015 - Elsevier
Effective conservation planning relies on the accurate identification of anthropogenic land
cover. However, accessing localized information can be difficult or impossible in developing …

[HTML][HTML] How effective are the protected areas of East Africa?

J Riggio, AP Jacobson, RJ Hijmans, T Caro - Global Ecology and …, 2019 - Elsevier
Protected areas are the cornerstone of in situ conservation and their effective management
is critical for maintaining biodiversity in the long term. In East Africa (Burundi, Kenya, Rwanda…

[HTML][HTML] Structural connectivity at a national scale: Wildlife corridors in Tanzania

J Riggio, T Caro - PLoS One, 2017 - journals.plos.org
Wildlife corridors can help maintain landscape connectivity but novel methods must be
developed to assess regional structural connectivity quickly and cheaply so as to determine …

Utilization of the office, hospital and emergency department for adult sickle cell patients: a five-year study.

K Epstein, E Yuen, JM Riggio, SK Ballas… - Journal of the National …, 2006 - ncbi.nlm.nih.gov
Sickle cell disease (SCD) is a hematological disorder that is manifested primarily by severe
pain and chronic organ damage. Little normative data exists on what the usual healthcare …

Characterisation and hydrometallurgical processing of nickel from tropical agromined bio-ore

J Vaughan, J Riggio, J Chen, H Peng, HH Harris… - Hydrometallurgy, 2017 - Elsevier
Hyperaccumulator plants (“metal crops”) can be used for selective extraction of Ni from low-grade
resources, thereby producing a high-grade “bio-ore”. This so-called agromining (or …

Sensitivity of Africa's larger mammals to humans

J Riggio, H Kija, E Masenga, F Mbwilo… - Journal for Nature …, 2018 - Elsevier
Habitat loss and overexploitation are driving differential declines in vertebrate taxa but
variation in responses means it is often difficult to determine where to place conservation effort. …

[HTML][HTML] Long-term monitoring reveals the impact of changing climate and habitat on the fitness of cavity-nesting songbirds

J Riggio, A Engilis Jr, H Cook, E De Greef… - Biological …, 2023 - Elsevier
Long-term studies on the impacts of global change on reproduction are rare, even though
reproductive output can respond more quickly than species' abundances or distributions. We …