monkeyflower             package:popbio             R Documentation

_P_r_o_j_e_c_t_i_o_n _m_a_t_r_i_c_e_s _f_o_r _m_o_n_k_e_y_f_l_o_w_e_r

_D_e_s_c_r_i_p_t_i_o_n:

     Pooled and annual projection matrices of central and marginal
     populations of monkeyflowers (_Mimulus cardinalis_ and _M.
     lewisii_)

_U_s_a_g_e:

     data(monkeyflower)

_F_o_r_m_a_t:

     A data frame with 32 projection matrices, arranged with one matrix
     per row

     '_s_p_e_c_i_e_s' M. cardinalis or M. lewisii

     '_s_i_t_e' Study site

     '_y_e_a_r' Start year of projection interval or pooled for all three
          years

     '_a_1_1' matrix element a11;  seed to seed transition or seed bank
          survival

     '_a_1_2' matrix element a12;  small nr to seed - fertility

     '_a_1_3' matrix element a13;  large nr to seed - fertility

     '_a_1_4' matrix element a14;  reprod to seed - fertility

     '_a_2_1' matrix element a21;  seed to small nr - growth

     '_a_2_2' matrix element a22;  small nr to small nr -stasis

     '_a_2_3' matrix element a23;  large nr to small nr - regress

     '_a_2_4' matrix element a24;  reprod to small nr - regress

     '_a_3_1' matrix element a31;  seed to large nr - growth  

     '_a_3_2' matrix element a32;  small nr to large nr - growth  

     '_a_3_3' matrix element a33;  large nr to large nr - stasis  

     '_a_3_4' matrix element a34;  reprod to large nr - regress  

     '_a_4_1' matrix element a41;  seed to reprod - growth  

     '_a_4_2' matrix element a42;  small nr to reprod - growth  

     '_a_4_3' matrix element a43;  large nr to reprod - growth  

     '_a_4_4' matrix element a44;  reprod to reprod - stasis  

_D_e_t_a_i_l_s:

     Matrix constructed using a post-breeding census with four stage
     classes: Seeds, small non-reproductive, large non-reproductive,
     and reproductive.

_S_o_u_r_c_e:

     <URL: http://www.esapubs.org/archive/ecol/E087/126/appendix-E.htm>

_R_e_f_e_r_e_n_c_e_s:

     Amy Lauren Angert. 2006. Demography of central and marginal
     populations of monkeyflowers (_Mimulus cardinalis_ and _M.
     lewisii_). Ecology 87:2014-2025.

_E_x_a_m_p_l_e_s:

     data(monkeyflower)
     A <- subset(monkeyflower, 
                species=="cardinalis" & site=="Carlon" & year=="pooled",  
                select=c(4:19))
     stages<-c("seed", "sm.nr", "lg.nr", "repro")
     A <- matrix(unlist(A), nrow=4, byrow=TRUE, dimnames=list(stages, stages) )
     A
     eigen.analysis(A)
     ## mean matrix growth rate
     eigen.analysis(matrix(apply(monkeyflower[,4:19], 2, mean), nrow=4))$lambda

