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Odonatological Abstract Service Odonatological Abstract Service published by the INTERNATIONAL DRAGONFLY FUND (IDF) in cooperation with the WORLDWIDE DRAGONFLY ASSOCIATION (WDA) Editors: Dr. Klaus Reinhardt, Dept Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, UK. Tel. ++44 114 222 0105; E-mail: [email protected] Martin Schorr, Schulstr. 7B, D-54314 Zerf, Germany. Tel. ++49 (0)6587 1025; E-mail: [email protected] Dr. Milen Marinov, 7/160 Rossall Str., Merivale 8014, Christchurch, New Zealand. E-mail: [email protected] Published in Rheinfelden, Germany and printed in Trier, Germany. ISSN 1438-0269 years old) than old beaver ponds. These studies have 1997 concluded, based on waterfowl use only, that new bea- ver ponds are more productive for waterfowl than old 11030. Prejs, A.; Koperski, P.; Prejs, K. (1997): Food- beaver ponds. I tested the hypothesis that productivity web manipulation in a small, eutrophic Lake Wirbel, Po- in beaver ponds, in terms of macroinvertebrates and land: the effect of replacement of key predators on epi- water quality, declined with beaver pond succession. In phytic fauna. Hydrobiologia 342: 377-381. (in English) 1993 and 1994, fifteen and nine beaver ponds, respec- ["The effect of fish removal on the invertebrate fauna tively, of three different age groups (new, mid-aged, old) associated with Stratiotes aloides was studied in a shal- were sampled for invertebrates and water quality to low, eutrophic lake. The biomass of invertebrate preda- quantify differences among age groups. No significant tors was approximately 2.5 times higher in the inverte- differences (p < 0.05) were found in invertebrates or brate dominated year (1992) than in the fish-dominated water quality among different age classes. Significant year (1991), while the density of non-predatory inverte- differences were found in most measures over the dif- brates in 1991 was ca half that in the invertebrate-domi- ferent sampling periods, with invertebrates being higher nated year. The decrease was due to a sharp fall in the in the earlier sampling periods, while nutrients were density of epiphytic chironomids, with the density of higher in the later sampling periods. The former is most plant-mining chironomids being far less affected. Mark- likely due to a peak in insect emergence early in the ed declines in the density of non-predatory invertebra- summer, while the latter is probably a result of a water tes in the invertebrate-dominated year were most prob- level drop between periods. Highly significant differen- ably caused by invertebrate predators. Once freed from ces were also noted for most measures among individ- suppression induced by fish, invertebrate predators ual ponds, and this pond variability probably masked were able to control the density of epiphytic prey more any patterns of different age classes. Nutrients and in- effectively than fish. ... In summer 1991, prior to fish re- vertebrates were relatively low throughout the study ar- moval, the total biomass of predators was estimated at ea, which may also have hidden any true differences in 2 15 g f.w m of which fish accounted for 90%. In summer age classes of beaver ponds. Because of the low 1992, after rotenone treatment, the total biomass of pre- productivity in the study site, beaver pond management 2 dators was 10 g f.m. m , of which approximately 90% for waterfowl would not be feasible or cost-effective in was made up by invertebrates. The increase in the bio- this area." (Authors) Odonata are treated at the family mass of invertebrate predators in 1992 resulted from level.] Address: not stated sharp rises in the biomass of Odonata larvae, Hetero- ptera and Argyroneta aquatica, which were particularly 11032. Yabu, S.; Nakashima, A.; Akiyama, T.; Takefuji, distinct in late spring (June), early summer (July) (Het- M.; Nagano, O. (1998): Studies on the formation of wet- eroptera and A. aquatica) and summer (July–Septem- land type biotope with recycled water in the industrial ber) (Odonata). In the case of Odonata biomass and open space of the bay coast. Environmental Engineer- density, the significance of differences between 1991 ing Research 35: 295-303. (in English) [The paper re- and 1992 was confirmed by Student’s test (biomass: P ports on the ability of I. senegalensis, Crocothemis ser- = 0.01, density: P = 0.003)." (Authors)] Address: Prejs, vilia, A. parthenope julius, and Orthetrum albistylum A., Department of Hydrobiology, University of Warsaw, speciosum to use eutrophicated water bodies as habi- Banacha 2, 02-097 Warsaw, Poland tat.] Address: Yabu, S., Fac. of Systems Engineering, Wakayama University, Japan 1998 11031. Sabine, M.E.J. (1998): Macroinvertebrate com- 1999 munities of different-aged beaver ponds. Master of Sci- 11033. Comisión Centroamericana de Ambiente y De- ence thesis, University of New Brunswick: 81 pp. (in sarrollo (CCAD); IUCN; WWF (1999): Listas de Fauna English) ["Previous studies of waterfowl utilization of de Importancia para la Conservación en Centroamérica beaver ponds for breeding and brood-rearing have y México: listas rojas, listas oficiales y especies en found higher waterfowl use of new beaver ponds (c 5 Apéndices CITES.. WWF Centroamérica. San José, Odonatological Abstract Service 34 (April 2012) - page 1 Costa Rica: 230 pp. (in Spanish) [Odonata are redlisted their regional distribution basing on current and litera- country wise for Guatemala, El Salvador, Costa Rica, ture data is mapped.] Address: Huertas Dionisio, M., Nicaragua, Panama, Belize, Honduras, and Mexico. For Berdigón 9, 4°, 21003 Huelva, Spain. details see: http://acesortguatemala.org/docs/listadode- faunaaproteger.pdf] 11034. Amakye, J.S. (1999): Effect of Temephos 20EC 2001 on non-target saxicolous fauna of a tropical African Is- 11038. Fukui, M. (2001): Annual fluctuation of the land river at first treatment. West African journal of ap- population of Libellula angelina at Okegayanuma, Iwa- plied ecology 7: 109-121. (in English) ["River Musola on ta, Shizuoka Prefecture. Tombo 43: 41-44. (in Japane- Bioko Island in the Republic of Equatorial Guinea was se, with English summary) ["The annual fluctuation of the treated with temephos 20EC, a Simutium larvicide, in population of L. angelina, was investigated in Okegaya- March 1999 under a pilot experiment to eradicate Simu- numa, Iwata, Shizuoka Pref., Japan. Imagines were lium damnosum s.l. from that island. The mean density counted by observation, from 1991 to 2000 (each year of the saxicolous macroinvertebrates prior to temephos between Apr. 29. and May 3 on every day). Exuviae treatment of the river was 5.946.7±2,065.7 individuals were collected every second or third day from 1993 to m². The density of macroinvertebrates observed 24 h 2000 between Apr. 10 to May 20. Compared with 1994, after treatment with temephos was 4.062.2±2,588.0 in- the population of L. angelina had decreased sharply to dividuals m², indicating 31.7% reduction in the density one-sixth in 1995 due to a heat wave and drought dur- of the population. There was 100% reduction in density ing the previous summer. Moreover, the population had of Odonata, Hydroptilidae, Ecnomidae, Leptoceridae decreased to only 47 individuals in 1999 due to a sud- and Tanypodinae in the post treatment samples. Baeti- den increase in the population of American crawfish. dae and Orthocladiinae were affected significantly by From 1999, a species conservation plan for L. angelina temephos (P<= 0.1). Whereas impact of temephos on was started by Iwata Minami High School students." Cheumatopsyche digitaia (Trichoptera: Hydropsychi- (Author)] Address: Fukui, M., 60-1. Kamo, Kikugawa- dae) was marginal (-16.7%). there was complete loss of cho. Ogasa-gun. Shizioka, 439-0031, Japan C. falcifera (100%) from the river, following treatment with the larvicide, indicating differential response to the 11039. Fukui, M.; Ema, S. (2001): New records of Ana- larvicide by these sympatric species. In general, 'Filter- ciaeschna jaspidea from Shizuoka Prefecture. Tombo ing Collectors' (73%) dominated the saxicolous biococ- 43: 40. (in Japanese, with English title) [Japan; 1-X- nosis prior to treatment with temephos. However, no 2000] Address: Fukui, M., 60-1. Kamo, Kikugawa-cho. 'Grazers' or 'Scrapcrs' were present in the saxicolous Ogasa-gun. Shizioka, 439-0031, Japan community of the section of the river studied during the 11040. Futahashi, R. (2001): A new record of Sympe- pretreatment period. The 100% reduction indensity ob- trum maculatum from Shizuoka Prefecture. Tombo 43: served for many taxa in the biococnosis, in the immedi- 38-39. (in Japanese, with English summary) [A male of ate post treatment period was attributed to the low dis- S. maculatum was a new record for Shizuoka Prefec- charge of the river and the low population densities of ture. This is an unusual migratory record because of the the various taxa observed at the time of the experiment, following facts: the locality, Enshu-hama (Hamamatsu), as well as the extremely heterogeneous nature of the is more than 70 kilometers away from the nearest habi- river bottom. It is proposed that the gallery forests be tats known at present; no other sighting has thus been maintained to aid conservation of the faunistic diversity recorded there despite the investigations carried out by of the river." (Author)] Address: Amakye, J.S., CSIR-Wa- many odonatologists; the captured individual was found ter Research Institute, P O Box AH 38, Achimota, Gha- just after a typhoon and no plant translocation from oth- na. E-mail: [email protected] er habitats has been recorded in the area.] Address: 11035. Holiš, J. (1999): Příspévek k poznání vážek Futahashi, R., Fujiwara Lab., Univ. Tokyo, Biosci. Bldg (Odonata) Žamberka a okolí [Contribution to the know- 501, Kashiwa, Chiba, 377-8562, Japan ledge of dragonflies (Odonata) of Žamberk and neigh- 11041. Futahashi, R.; Futahashi, H.; Araki, Y. (2001): borhood]. Orlické hory a Podorlicko, 1999/9: 190-191.
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