From: Measuring specialization in species interaction networks
Animal sp.1 | sp. 2 | ... | sp. c | Total | |
---|---|---|---|---|---|
Plant sp. 1 | a _{11} | a _{12} | ... | a_{1c} | ${A}_{i=1}={\displaystyle \sum _{j=1}^{c}{a}_{1j}}$ |
sp. 2 | a_{21} | a _{22} | ... | a_{2c} | ${A}_{i=2}={\displaystyle \sum _{j=1}^{c}{a}_{2j}}$ |
... | ... | ... | ... | ... | ... |
sp. r | a _{r 1} | a _{r 2} | ... | a_{ rc } | ${A}_{i=r}={\displaystyle \sum _{j=1}^{c}{a}_{rj}}$ |
Total | ${A}_{j=1}={\displaystyle \sum _{i=1}^{r}{a}_{i1}}$ | ${A}_{j=2}={\displaystyle \sum _{i=1}^{r}{a}_{i2}}$ | ... | ${A}_{j=c}={\displaystyle \sum _{i=1}^{r}{a}_{ic}}$ | $m={\displaystyle \sum _{i=1}^{r}{\displaystyle \sum _{j=1}^{c}{a}_{ij}}}$ |