The significance of littoral and shoreline habitat integrity to the conservation of lacustrine damselflies (Odonata)

Butler, Ronald G.; DeMaynadier, P. G.

doi:10.1007/s10841-006-9059-0

Cited by 86 publications

(53 citation statements)

References 30 publications

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“…The two artificial pond subtypes-CON and PET-also showed low shoreline complexity, which, together with the high slope angle of the margins (ranging between 45-90 degrees; Casas et al 2011b) and artificial substrate, would limit the potential of their littoral zones to support biodiversity. A lack of marginal vegetation can have a negative effect on insect species dependent on shoreline vegetation as adults (Butler and DeMaynadier 2008).…”

Section: Discussionmentioning

confidence: 99%

Farm Ponds as Potential Complementary Habitats to Natural Wetlands in a Mediterranean Region

et al. 2012

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We compared morphometric and physicochemical characteristics of farm ponds and natural wetlands in Andalusia (southern Spain) to determine whether artificial waterbodies might act as alternative and/or complementary habitats for aquatic biodiversity. Farm ponds were much smaller than natural wetlands, making them unsuitable for species requiring large waterbodies. However, we observed high farm pond density in areas lacking natural wetlands, which suggests a prime role for the conservation of species with low dispersal capacities. Natural-substrateponds were abundant in traditional extensive farming systems and showed shoreline complexity as high as the most complex natural wetlands. Areas with more intensive agriculture were dominated by artificial-substrate ponds and wetlands, with low physical complexity in both. The high copper load in sediments, due to the use of copper sulphate as biocide, differentiated the artificial-substrate ponds from natural-looking ponds and all natural wetland types. Aqueous mineral levels in farm ponds were much lower than in natural wetlands. We can conclude that farm ponds might play a principal role in region-wide habitat complementarity, by providing a relatively high density of small, permanent, oligohaline waterbodies that is not matched by natural wetland. To enhance this role, measures regulating both pond construction and management are needed, particularly for artificial-substrate ponds

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Section: Discussionmentioning

confidence: 99%

Farm Ponds as Potential Complementary Habitats to Natural Wetlands in a Mediterranean Region

et al. 2012

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“…This sensitivity to environmental conditions and the distinct phases of the life cycle of these insects, which is characterized by aquatic immature phases and terrestrial/aerial adults, may potentially provide insights into disturbances in both aquatic and terrestrial systems (Butler and de Maynadier, 2008;Foote and Hornung, 2005;Oertli, 2008).…”

Section: Introductionmentioning

confidence: 99%

Analysis of urban impacts on aquatic habitats in the central Amazon basin: Adult odonates as bioindicators of environmental quality

Júnior

Juen

Hamada

2015

Ecological Indicators

118

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“…Higher diversity of invertebrates at Nesyt and Černičný ponds could be connected with more extensive littoral emergent plant beds at these two ponds (Butler and de Maynadier, 2008). However, these aspects were not the subject of this study.…”

Section: Discussionmentioning

confidence: 80%

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Sychra¹,

Adámek²

2010

Turk. J. Fish. Aquat. Sci.

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Modified Gerking box sampler is one of devices used for the collection of aquatic phytophilous macroinvertebrates. The presented modification consists of a metallic frame box and a movable cutter. It was constructed for sampling in hard emergent littoral macrophyte beds. In this pilot study, its efficiency was compared with a frequently used sweep net.Comparative sampling was performed in the same mesohabitat of hard emergent vegetation in littoral zones of three carp ponds during one season (late summer). Sampling with the frame box sampler was more labour consuming, but significantly (P<0.05) more effective in capturing slow-moving or sedentary animals such as gastropods, oligochaetes, leeches, water mites, and chironomid larvae. In contrast, fast-moving invertebrates (water bugs, chaoborid larvae) were significantly (P<0.05) less abundant in samples taken by the frame box compared with sweep net samples. The composition of macroinvertebrate fauna and total numbers of captured individuals varied between methods and among sampling sites. The results showed that the modified Gerking sampler is able to collect all principal higher taxa and, therefore, it is suitable for quantitative monitoring of macroinvertebrates in littoral zones of standing water bodies. Complementary sampling with a sweep net at the same localities is recommendable for better biodiversity assessment.Keywords: Sampling methods, phytophilous macroinvertebrates, pond littoral. Durgun Su Littoral Makrofit Bölgesinde Modifiye edilmiş Gerking Örnek Toplayıcı ve Swept netin (Trap) Örnekleme Etkinliği Üzerine Pilot Bir Çalışma ÖzetModifiye edilmiş Gerking örnek toplayıcı, sucul fitofiloz makroomurgasızların toplanması amacıyla kullanılan bir alettir. Sistem, metal kasalı kutu ve hareketli bıçaklardan oluşmaktadır. Su üstü litoral makrofit yataklarında örneklem alınması için yapılmıştır. Bu çalışmada, Gerking örnek toplayıcının etkinliği ile sık kullanılan Trap'ın örneklem etkinliği ile karşılaştırılmıştır. Örneklemeler üç sazan havuzunun litoral bölgesinde bir mevsim boyunca (yaz sonu) su üstü vejetasyona ait mezohabitatta gerçekleştirilmiştir. Gerking örnek toplayıcı ile örnek toplamak için daha çok emek harcanmıştır. Bu örnek toplayıcı karındanbacaklılar, solucan, sülük, su kenesi ve kayronomid larvası gibi ağır hareket eden veya sedenter hayvanları yakalamada daha etkin olmuştur (P<0,05). Trap ile alınan örneklerle karşılaştırıldığında hızlı hareket eden omurgasızlar (su böceği, chaoboridae larvası gibi) daha az yakalanmıştır (P<0,05). Makroomurgasız fauna kompozisyonu ve yakalanan bireylerin toplam sayısı, metotlar ve örneklem yerleri bakımından farklı bulunmuştur. Sonuç olarak Gerking örnek toplayıcı ile yeterince örnek toplanabilmektedir. Durgun su kütlelerinin litoral kuşaklarında makroomurgasızların kantitatif olarak izlenmesi için uygundur. Daha iyi biyo-çeşitlilik değerlendirmesi yapmak için aynı bölgede Trap örneklemesi yapılması gerekmektedir.Anahtar Kelimeler: Örnekleme yöntemleri, sucul makroomurgasızlar, durgunsu kıyısal zonu.

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The significance of littoral and shoreline habitat integrity to the conservation of lacustrine damselflies (Odonata)

Cited by 86 publications

References 30 publications

Farm Ponds as Potential Complementary Habitats to Natural Wetlands in a Mediterranean Region

Farm Ponds as Potential Complementary Habitats to Natural Wetlands in a Mediterranean Region

Analysis of urban impacts on aquatic habitats in the central Amazon basin: Adult odonates as bioindicators of environmental quality

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