value = 0
) 100 x 200 celdas (n=20000)createLandscape()
createLandscape()
(I)$size_pp$
) (300 - 6000)$den_pp$
)landUse = 1
$n_nf$
) (1 - 5)$size_nf$
) (10 - 500)landUse = 2
createLandscape()
(II)landUse = 3
landUse = 0
createLandscape()
output$den_pp$
) (baja, media, alta). See issue #5 initRichness()
createLandscape()
initRichness()
(I)landUse = 2
)landUse = 3
)| ecosystem | low limit | upper limit | |-------------------|-----------|-------------| | Repoblaciones | 12.82 | 13.34 | | Bosques naturales | 14.67 | 17.88 | | Cultivos | 1 | 3 | Ver issue #4
initRichness()
(II)landUse = 1
)$$ Riqueza \sim RiquezaPotencial \times fc $$
$$ fc\sim f\left [w_1 \cdot Reg \times w_2 \cdot DistSeedSource \times w_3\cdot TreeDensity\right] $$
pesos?
$$ ftreeden = \exp \left [ -\frac{1}{2} \left( \frac{ treeDensity - 0.22} {1504.1} \right )^2\right ] $$
$den_pp$
)$$ Reg\sim f\left [\bold{UsoSuelo} \times DistSeedSource \times TreeDensity\right] $$
| variable | Pseudo-R2 | scale | |-----------------------------------------|-----------|--------------------------| | past Land Use | 0.1238 | 0.4767 | | Propagule source distance | 0.0832 | 0.3204 | | Pine density | 0.0057 | 0.2029 |
modelo zero-inflated $\sim$ prob. no regeneración + prob. abundancia
| Past Land Use | odds Ratio | rescale | reverse Rescale | |-------------------------|------------|--------------|-----------------------| | Oak formation | 0.3935 | 0.0001 | 0.9999 | | Mid-mountain Shrubland | 1.7576 | 0.5018 | 0.4982 | | Pasture | 3.1119 | 0.9999 | 0.0001 | | Cropland | 3.0362 | 0.9720 | 0.0279 | * Nota: Valores para misma distancia y densidad media (750 tree/ha)
$$ w_1 \cdot Reg = 0.1 \times uso $$
Encinar (0.9999) Matorrales (0.4982) Cultivos (0.0279) Pastizales (0.0001)
$$
Diversity = 1.7605 - 0.0932 \left( \sqrt{\sqrt{distance}} \right )
$$
sensu Nathan et al. 2012
A > diversidad fuente semillera > diversidad semillas
Aprox. la mitad de especies leñosas de fruto carnoso en el área de estudio son dispersadas por mamíferos (Matías et al. 2010) y/o aves (Zamora et al. 2010; Mendoza et al. 2009)
¿Cuantas especies pueden dispersar?
issue #13
Small birds [@Jordano2007 @Zamora2010]:
Medium birds:
Mammals [@Jordano2007 @Matias2010]
Arrendajo [@Gomez2003 @Pons2007]
| ecosystem | low limit | upper limit | |-------------------|-----------|-------------| | Repoblaciones | 12.82 | 13.34 | | Bosques naturales | 14.67 | 17.88 | | Cultivos | 1 | 3 |
Pine density
| densidad | valor | Gómez-Aparicio et al. 2009 | |----------|-------|----------------------------| | baja | 100 | < 500 | | media | 1250 | 500 - 1500 | | alta | 3000 | > 1500 |
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