Long-term monitoring of Gastropoda (Mollusca) fauna in planted mangroves in central Vietnam

Zvonareva, Sofya; Kantor, Yuri; Li, Xinzheng; Britayev, Temir

doi:10.1186/s40555-015-0120-0

Zoological Studies

Table 4 Average abundance and biomass with standard deviation of the most common gastropod species in mid intertidal zone

From: Long-term monitoring of Gastropoda (Mollusca) fauna in planted mangroves in central Vietnam

	Number of samples and the year of collecting
	3	5	5	7	8	8	8	7	2
	2005	2006	2008	2009	2010	2011	2012	2013	NP
Clithon oualaniense			\( \frac{35.6\pm 37.1}{2.7\pm 3.3} \)	\( \frac{165.7\pm 267.4}{11.1\pm 17.2} \)	\( \frac{117.0\pm 130.9}{8.7\pm 9.8} \)	\( \frac{404.5\pm 625.6}{21.5\pm 29.1} \)	\( \frac{13.6\pm 35}{1.0\pm 1.8} \)	\( \frac{374\pm 186.5}{22.7\pm 11.4} \)	\( \frac{309.1\pm 500.2}{23.0} \)
Clithon faba					\( \frac{1.1\pm 3.2}{0.2\pm 0.7} \)	\( \frac{5.7\pm 10.8}{1.0\pm 2.4} \)		\( \frac{98.7\pm 117.7}{5.5\pm 8.3} \)
Cerithideopsilla cingulata					\( \frac{6.8\pm 12.6}{1.2\pm 2.2} \)	\( \frac{50.0\pm 98.6}{19.3\pm 39.8} \)	\( \frac{18.2\pm 41.5}{6.2\pm 15.8} \)	\( \frac{10.4\pm 12.2}{4.1\pm 4.2} \)	\( \frac{1379.55\pm 2070.6}{124.4} \)
Batillaria zonalis			\( \frac{247.8\pm 378.2}{85.8\pm 123.7} \)	\( \frac{478.6\pm 449.3}{192.3\pm 189.4} \)	\( \frac{576.1\pm 421.5}{137.6\pm 127.1} \)	\( \frac{946.6\pm 724.7}{256.3\pm 197.3} \)	\( \frac{484.1\pm 634.2}{125.1\pm 150.8} \)	\( \frac{868.8\pm 470.6}{142.9\pm 75.4} \)	\( \frac{2.27\pm 4.5}{0.5} \)
Cerithium coralium					\( \frac{10.2\pm 28.9}{10.2\pm 27.1} \)		\( \frac{10.2\pm 25.5}{7.5\pm 19.1} \)
Clypeomorus bifasciata			\( \frac{70.8\pm 80.4}{13.5\pm 12.6} \)	\( \frac{114.3\pm 198.6}{25.2\pm 50} \)	\( \frac{54.5\pm 73.4}{7.1\pm 7.3} \)	\( \frac{112.5\pm 123.7}{17.4\pm 26.6} \)
Total for common species	0	0	\( \frac{354.2\pm 485.5}{102\pm 136.4} \)	\( \frac{758.6\pm 509.4}{223\pm 203.5} \)	\( \frac{765.9\pm 493.1}{165.1\pm 130.2} \)	\( \frac{1519.3\pm 1311.5}{315.5\pm 216.6} \)	\( \frac{528.4\pm 688.6}{140\pm 163.3} \)	\( \frac{1416.9\pm 614.1}{186.1\pm 76} \)	\( \frac{1690.9\pm 2000.2}{147.9\pm 157.3} \)
Total for all species	\( \frac{18.2\pm 24.1}{3\pm 2.7} \)	0	\( \frac{357.9\pm 482.4}{102.4\pm 136} \)	\( \frac{762.9\pm 507.3}{230.1\pm 199} \)	\( \frac{768.2\pm 494}{165.8\pm 130.2} \)	\( \frac{1523.9\pm 1313.8}{315.6\pm 216.6} \)	\( \frac{530.7\pm 688.7}{140.4\pm 163.6} \)	\( \frac{1440.3\pm 606}{210\pm 80} \)	\( \frac{1715.9\pm 1993.7}{148.8\pm 157.3} \)

Average abundance (m⁻², above line) and biomass (g/m², below line) with standard deviation of the most common gastropod species (found in half or more sampling seasons) in quantitative samples and total abundance and biomass of gastropods in mid intertidal zone in each year of monitoring in mangrove plantations in Dam Bay and natural mangrove association in Nha Phu (NP).

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