2018
DOI: 10.1016/j.ecolmodel.2018.09.010
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Abstract: Strategies for the conservation and management of many wild species requires an improved understanding of how population dynamics respond to changes in environmental conditions, including key drivers such as food availability. The development of mechanistic predictive models, in which the underlying processes of a system are modelled, enables a robust understanding of these demographic responses to dynamic environmental conditions. We present an individual-based energy budget model for a mega-herbivore, the Af… Show more

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Cited by 23 publications
(16 citation statements)
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“…To do so fetal masses ( f ) (in kg) were assessed up to the maximum length ( f,max ) (in cm) using the weightlength regression found for fetal porpoises from the IDW in Lockyer and Kinze (2003) ( f = 0.05 × f 2.72 ± 0.06 ) (n = 124). Assuming a linear increase in body length with pregnancy time, as in Read and Hohn (1995), the fetal growth constant ( ) was determined by fitting the fetal mass to days since conception ( mating ) using a cubic function ( f = ( × mating ) 3 ) (Boult et al 2018). Using and the fetal mass, f , the change in fetal mass (Δ f ) can be determined for porps in a timestep (Eqn.…”
Section: Reproductionmentioning
confidence: 99%
“…To do so fetal masses ( f ) (in kg) were assessed up to the maximum length ( f,max ) (in cm) using the weightlength regression found for fetal porpoises from the IDW in Lockyer and Kinze (2003) ( f = 0.05 × f 2.72 ± 0.06 ) (n = 124). Assuming a linear increase in body length with pregnancy time, as in Read and Hohn (1995), the fetal growth constant ( ) was determined by fitting the fetal mass to days since conception ( mating ) using a cubic function ( f = ( × mating ) 3 ) (Boult et al 2018). Using and the fetal mass, f , the change in fetal mass (Δ f ) can be determined for porps in a timestep (Eqn.…”
Section: Reproductionmentioning
confidence: 99%
“…oystercatchers Haematopus ostralegu s, UK [ 54 ], skylarks Alauda arvensis in Denmark [ 55 ] and river salmonids in California, USA [ 56 ], sometimes across thousands of kilometres squared, e.g. grey wolves Canis lupus in the Italian alps [ 57 ], African elephants Loxodonta africana in the Kenya–Tanzania border [ 58 ] and tigers Panthera tigris in Nepal's Chitwan National Park [ 59 ].…”
Section: Discussionmentioning
confidence: 99%
“…Population dynamics patterns often document changes in size, represented by abundance or density, or vital rates of populations. Abundances can be presented as the number of individuals or total biomass and are often generalised for the entire population or region, while densities are specific to a unit area (Liu et al, 2013;Pais & Cabral, 2017;Boult et al, 2018). Both can be presented for different cover or habitat types to visualise relative differences, as in Durell et al (2006) and Amano et al (2006).…”
Section: (6) Dynamicsmentioning
confidence: 99%
“…'Training' and 'test' sets can be used when sufficient data exist to partition each pattern into two sets, one for use in model parameterisation and one for evaluation. For example, in Boult et al (2018), rejection-ABC was used to calibrate…”
Section: (B) Qualitative and Quantitative Comparisonsmentioning
confidence: 99%