soal life table life table
DESCRIPTION
exercise of animal ecologyTRANSCRIPT
PLEASE COMPLETE THIS LIFE TABLE Life Table for the Carp Cyprinus carpio at the one pool in Kenjeran, Surabaya, East Java*Age(yr) (x)Observed No. Cyprinus alive Each Year (nx)Proportion Surviving ar Start of Age Interval x (lx)No. Dying Within Age Interval x to x + 1 (dx)Rate of Mortality (qx)Mean Expectation of Further Life for Animals Alive at Start of Age x (ex)
01861,000900,4842,032
1960,516380,396?
2580,311160,276?
3420,226180,429?
4240,13040,167?
5200,108(3,5)0,175?
6(16,5)**0,089(3,5)0,212?
7130,070(3,5)0,269?
8(9,5)**0,051(3,5)0,368?
960,03261.000?
1000,000--?
* Data is made just for example ** Estimated number alive
PLEASE COMPLETE THIS LIFE TABLE Life Table for the Carp Cyprinus carpio at the one pool in Kenjeran, Surabaya, East Java*Age(yr) (x)Observed No. Cyprinus alive Each Year (nx)Proportion Surviving ar Start of Age Interval x (lx)No. Dying Within Age Interval x to x + 1 (dx)Rate of Mortality (qx)Mean Expectation of Further Life for Animals Alive at Start of Age x (ex)
0186?90??
196?38??
258?16??
342?18??
424?4??
520?(3,5)??
6(16,5)**?(3,5)??
713?(3,5)??
8(9,5)**?(3,5)??
96?6??
100?-??
* Data is made just for example ** Estimated number alive
Keterangan:x: umur (dalam tahun)nx: jumlah hewan yang hidup awal tahunlx: proporsi hewan yang hidupdx: jumlah hewan yang mati dalam 1 tahunqx: laju kematianex: angka harapan hidup (dalam 1 tahun)
Rumus yang digunakan:
Untuk mendapatkan ex maka dibutuhkan data L dan T, sehingga untuk memudahkan dibuat table bantuan berisi data L dan T sehingga ex bisa dihitung menggunakan rumus diatas.contoh:
Jawabanxnxlxdxqxex
01861.000900.4842.032
1960.516380.3962.469
2580.311160.2762.759
3420.226180.4292.620
4240.13040.1673.208
5200.108(3,5)0.1752.750
6(16,5)0.089(3,5)0.2122.227
7130.070(3,5)0.2701.692
8(9,5)0.051(3,5)0.3681.131
960.08261.0000.316
1000.000---
Table data bantuan Lx dan Tx :xnxLxTxex
01861413782.032
196772372.469
258501602.759
342331102.620
42422773.208
52018.25552.750
6(16,5)14.7536.752.227
71311.25221.692
8(9,5)7.7510.751.131
96330.316
10000-