MSRX StoryQuest

Ecosystems & Energy Flow

Populations pushing on each other until something settles.

M086Explorer

Food webs

Enext=0.1EprevE_{next} = 0.1 E_{prev}

a reserve deciding how much grazing land its wolves require

Ecosystem webEnter mission M087Explorer

Predator-prey balance

dNdt=rN(1−NK)\frac{dN}{dt} = rN\left(1-\frac{N}{K}\right)

an island where an introduced deer herd is stripping the forest

Ecosystem webEnter mission M088Explorer

Carrying capacity

N≤KN \le K

a fishery setting a quota after two bad seasons

Ecosystem webEnter mission M089Explorer

Water cycles

E+T=PE + T = P

a catchment model that keeps predicting phantom floods

Water cycle loopEnter mission M097Challenge

Ecosystem resilience

resilience=diversity+recoveryresilience = diversity + recovery

a burnt hillside being replanted after a wildfire season

Ecosystem webEnter mission M098Challenge

Biodiversity

stability∝biodiversitystability \propto biodiversity

a restored wetland being assessed for legal protection

Species boardEnter mission M109Foundation

Energy along a food chain

a wetland survey explaining why big predators are rare

Species boardEnter mission M110Explorer

Catchment and runoff

V=A×dV = A \times d

a village sizing a rooftop rainwater tank before the monsoon

Water cycle loopEnter mission M117Explorer

Carrying capacity

N=KN = K

a reserve deciding how many deer a valley can carry through winter

Species boardEnter mission M121Foundation

Counting legs in the pen

a farm visit where the class counts legs under the gate instead of animals

Species boardEnter mission