+ Site Statistics
+ Resolve Accession
+ Subscribe to Site Feeds
EurekaMag Most Shared ContentMost Shared
EurekaMag PDF Full Text ContentPDF Full Text
+ PDF Full Text
Request PDF Full TextRequest PDF Full Text
Submit PDF Full TextSubmit PDF Full Text
+ Follow Us
Follow on FacebookFollow on Facebook
Follow on TwitterFollow on Twitter
Follow on Google+Follow on Google+
Follow on LinkedInFollow on LinkedIn

+ Translate

The macro invertebrate fauna of a new zealand forest stream

, : The macro invertebrate fauna of a new zealand forest stream. New Zealand Journal of Zoology 5(1): 157-170

The distribution, abundance and life histories of benthic invertebrates were investigated in a small Nothofagus forest stream in North Canterbury, South Island, New Zealand. The fauna was dominated by Trichoptera and Plecoptera; Mollusca and fish were absent. Large particle detritivores and scrapers were the predominant functional groups found. Larval Philopotamidae (Trichoptera) were the only abundant filter feeders. Nymphs of the stonefly Spaniocerca zelandica and of mayflies, Deleatidium spp. were the most abundant animals on plant detritus; Deleatidium spp. were abundant on stones also. The distribution of invertebrates in riffles, loose stones, pools and plunge pools was examined using mesh colonization trays lifted in Sept., Nov., Feb. and May after, respectively, 88, 69, 98 and 94 days in situ. Most species were widely distributed, and sample densities of the more abundant insect species showed weak positive correlations with the biomass of detritus present in trays in most months. The turbellarian Neppia montana was overrepresented in trays compared with stream samples, but the relative abundance of most other species appeared to be similar to that on the stream bed. A large amount of silt accumulated in trays during a heavy flood, and was colonized mainly by the oligochaete Eiseniella tetraedra. Information on the life histories of 15 spp. of Plecoptera, Trichoptera, Ephemeroptera and Coleoptera was obtained from a 1 yr monthly sampling program, in which 36 taxa were distinguished, and from collections of adult insects made over a 3-4 yr period. Most species had poorly synchronized life histories, in that a wide size range was apparent among individuals in most months. Eight species emerged in at least 4 mo.; S. zelandica and the philopotamid Hydrobiosella stenocerca were taken in 8 and 9 mo., respectively.

(PDF 0-2 workdays service)

Order PDF Full Text


Click here to order any other PDF Full Text

Accession: 006712705

PDF Full Text: Submit

Submit PDF Full Text

No spam - Every submission is manually reviewed

Due to poor quality, we do not accept files from Researchgate

Submitted PDF Full Texts will always be free for everyone
(We only charge for PDFs that we need to acquire)

Select a PDF file:

Other references

Churchill, L.; Kalivas, P. W., 1996: Muscimol in the ventral pallidum does not block opioid-induced locomotion in the dopamine-depleted nucleus accumbens. Society for Neuroscience Abstracts 22(1-3): 1154

Brandes, D., 1933: Amine formation in the intestine of infants and the significance of amines in the etiology of toxicosis in infants. Larger amounts of amines were found in the faeces of bottle fed than of breast fed infants. The presence of amines was demonstrated in the urines of three infants with pyuria but with no sign of toxicosis showing that amines can be formed in the u...

Wilkinson, PM., 1988: First instance of a sooty tern's hatching on the Atlantic coast of North America. Chat (Raleigh): 524: 81-82

Simha, S. S.; Unnisa, R., 1981: An anomaly in caryophyllid cestode, Lytocestus indicus Moghe, 1931. In 1965 a single L. indicus was recovered from Clarius batrachus. The anterior end was bifurcated into 2 complete bothria. The testes and vitellaria were also duplicated, the division being more than a quarter of the body length from the anterior...

Zuniga, O.; Reyes, A.; Pohlan, J., 2003: The thermal conductivity: an alternative method for the measurement of soil compaction. Four treatments of tillage (viz., vibratory chisel, conventional tillage, direct drilling and mulch tiller) were compared by measuring soil thermal conductivity. The investigation was carried out on a soyabean field in Palmira, Colombia. Bulk dens...

Barstow, Thomas J.; Casaburi, Richard; Wasserman, Karlman, 1993: O2 uptake kinetics and the O2 deficit as related to exercise intensity and blood lactate. Journal of Applied Physiology 75: 5-62

Kinkhabwala, Milan, M.; Guarrera, James, V.; Leno, Richard; Brown, Robert, S.; Prowda, Joan; Kapur, Sandip; Emond, Jean, C., 2003: Outflow reconstruction in right hepatic live donor liver transplantation. Backgound: Inconstant venous anatomy increases the risk of outflow complications in right hepatic live donor liver transplantation (RH-LDT), but no consensus has emerged guiding optimal reconstruction for venous outflow. Methods: We retrospectivel...

Gardner M.J.; Feagin J.E.; Moore D.J.; Spencer D.F.; Gray M.W.; Williamson D.H.; Wilson R.J.M., 1991: Organization and expression of small subunit ribosomal rna genes encoded by a 35 kilobase circular dna in plasmodium falciparum. A restriction map of the 35-kb circular DNA molecule of Plasmodium falciparum showed that a region of about 6 kb, encoding both a large and a small subunit ribosmal RNA gene, has been duplicated in inverted orientation. The complete sequence of on...

Hoffmann, G., 1967: Seasonal changes in the N content of leaves, wood and bark of Robinia pseudoacacia L. The N content of Robinia leaves, bark and sapwood was determined in samples from trees growing in the open and in 50% shade at Eberswalde at intervals throughout a year. The N% in leaves declined throughout the growing season; in bark it was highe...

Wang, Y. Y. D.; Fields, M. L., 1978: Germination of corn and sorghum in the home to improve nutritive value. Maize meal before and after germination at 30 deg C for 3 to 4 days and sorghum meal similarly contained available lysine 23, 57, 14 and 30, available methionine 9, 45, 9 and 15 and available tryptophan 2, 13, 3 and 20 mg/g N with relative nutriti...