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--- 2018:groups:g3:start [2017/12/29 18:23] – [Introduction] prado
+++ 2018:groups:g3:start [2024/01/09 18:45] (current) – external edit 127.0.0.1
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 {{https://i.pinimg.com/736x/6a/11/fe/6a11fe2bfc1b89099a1812ff00fcfff7--amazing-pictures-pictures-of.jpg?150   |Burrowing owl adult and its nestlings}}
-Burrowing owls (//Athene cunicularia//) nest and roost in abandoned burrows that other animals dug, mostly in open habitats like prairies and grasslands. In North America the main providers of burrows for these owls are the badger (//Taxidea taxus//), and ground rodents like prairie dogs (//Cynomys// spp).
+Burrowing owls (//Athene cunicularia//) nest and roost in abandoned burrows that other animals had dug, mostly in open habitats like prairies and grasslands. In North America the main providers of burrows for these owls are the badger (//Taxidea taxus//), and ground rodents like prairie dogs (//Cynomys// spp).
 {{   https://naes.unr.edu/shoemaker/teaching/NRES-470/prairie_dogs3.jpg?200| Prairie dog colony}}
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 {{https://www.earthrangers.com/content/wildwire/american_badger_teeth.jpg?150  | American badger  }}
-To make things more interesting, in many areas badgers are the main predators of the owls nests.  Moreover,  ground rodents are preyed upon by badgers and  burrowing owls as well.
+To make things more interesting, in many areas badgers are the main predators of the owls nests.  Moreover,  ground rodents are preyed upon by badgers and by burrowing owls as well.
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 ===== Assigment =====
-Propose a mathematical model for the coupled population dynamics of burrowing owls and at least of a prey or of a predator of the owls. Your model should take into account the indirect effects of preys (and/or predators) by providing burrows for the owls. Use this model to explore the consequences of such indirect effects.
+Propose a mathematical model for the coupled population dynamics of burrowing owls and of at least a prey or a predator of the owls. Your model should take into account the indirect effects of preys (and/or predators) by providing burrows for the owls. Use this model to explore the consequences of such indirect effects.
-===== Some references to start with=====
+===== Some starting references =====
   * [[http://aep.alberta.ca/fish-wildlife/species-at-risk/species-at-risk-publications-web-resources/birds/documents/SAR-BurrowingOwlAlberta-RecoveryPlan-Oct2012.pdf|Alberta Burrowing Owl Recovery Plan]]