2019:groups:g4:start
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2019:groups:g4:start [2018/12/18 21:26] – [Under construction] lemos | 2019:groups:g4:start [2024/01/09 18:45] (current) – external edit 127.0.0.1 | ||
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**Group 4** | **Group 4** | ||
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- | ====== Under construction ====== | + | |
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Recently, Li //et al.// (2018) described a non-intuitive reciprocal facilitation between ants and cattle. In a grassland in China, bovids (//Bos taurus//) are the predominant large vertebrate in the area, and ants from the genus //Lasius// are the predominant below ground invertebrate. Through experiments, | Recently, Li //et al.// (2018) described a non-intuitive reciprocal facilitation between ants and cattle. In a grassland in China, bovids (//Bos taurus//) are the predominant large vertebrate in the area, and ants from the genus //Lasius// are the predominant below ground invertebrate. Through experiments, | ||
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===== Assignment ===== | ===== Assignment ===== | ||
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===== Suggested questions ===== | ===== Suggested questions ===== | ||
- | * Considering that facilitation is a facultative interaction that benefits involved species, can you think of a mechanisms that might prevent species from growing indefinitely | + | * Based on your model, what changes would you expect |
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- | * The authors argue that the interaction is a facultative facilitation. In the absence | + | |
+ | * The authors argue that the interaction is a facultative facilitation. In the absence of cattle, the effects provoked by ants (i.e., enhancement of soil nutrients increasing plant quantity and quality) could feedback negatively on its own population, altering the micro-habit that favors the construction of ant nests. How could this feedback influence long-term population densities and stability of the system? | ||
===== References ===== | ===== References ===== | ||
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**The Princeton Guide to Ecology** Levin, Simon A., et al., eds. //Princeton University Press// (2009) | **The Princeton Guide to Ecology** Levin, Simon A., et al., eds. //Princeton University Press// (2009) | ||
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+ | **data from the paper** [[https:// |
2019/groups/g4/start.1545168377.txt.gz · Last modified: 2024/01/09 18:45 (external edit)