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4.4. Summary Comparison of the Three TCZCDP Sampling Protocols<br />
Table 10 presents a summary comparison of the three TCZCDP sampling protocols according to a<br />
number of criteria related to statistical robustness and utility for fisheries management analysis.<br />
Table 10 - Summary Comparison of TCZCDP Sampling Protocols<br />
Sampling Protocol<br />
Speciesspecific<br />
Price<br />
Data?<br />
Compatibility<br />
with FAO<br />
Guidelines<br />
Stratified?<br />
Detailed<br />
Effort<br />
Sampled?<br />
Zero-<br />
Catches?<br />
Sampling<br />
at Beach<br />
Landing<br />
Site<br />
1 st (1995-2000) Y N N N N N<br />
2 nd (2001-2003) N N Y/N Y Y Y<br />
3 rd (2003-present) N Y Y Y Y Y<br />
Taking the observations in Table 10, it is possible to provide a summary profile of the types of<br />
analysis that are possible with the data generated under each data collection protocol and this is<br />
presented in Table 11.<br />
Table 11 - Summary Profile of possible analyses under each TCZCDP Protocol<br />
Sampling<br />
Protocol<br />
Speciesspecific<br />
Price<br />
<strong>Analysis</strong><br />
<strong>Analysis</strong> of<br />
Catch by<br />
Vessel/Gear<br />
<strong>Analysis</strong> of<br />
use of<br />
Fishing<br />
Grounds<br />
Detailed<br />
CPUE<br />
<strong>Analysis</strong><br />
Accurate<br />
estimate of<br />
catch/effort by<br />
stratum<br />
Length-<br />
Frequency<br />
Distribution<br />
<strong>Analysis</strong><br />
1 st (1995-<br />
2000)<br />
Y Y Y N N N<br />
2 nd (2001-<br />
2003)<br />
N Y Y Y N N<br />
3 rd (2003-<br />
present)<br />
N Y Y Y<br />
Y<br />
(with improved<br />
data collection)<br />
Y<br />
(when a<br />
protocol is<br />
introduced)<br />
5. Previous data analysis activities and their major findings<br />
One of the principle reports of analyses of data on TCZCDP marine resources was prepared by<br />
Horrill et al. (2001), which covered data from 1995 to 2000. As far as it relates to fisheries there<br />
were a number of issues covered, including observations on controls of fishing effort at Kigombe,<br />
which was the main sample site during the early years of the programme.<br />
5.1. Sampling Effort 1995-2000<br />
Figure 5 presents data on the mean daily number of trips recorded from Kigombe Village, 1995-<br />
2000. These data indicate a decline in the coverage of the sampling and Horrill et al. (2001)<br />
suggested that this might be the result of reduced numbers of fishing trips by all fishers (because<br />
coverage was designed as 100% of fishing trips on each sampling day), reduced numbers of<br />
visiting fishers from outside the management area, or that it might be an attempt by fishers to avoid<br />
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