Development of great cormorant population (<i>Phalacrocorax carbo sinensis</i>) in North-East France – synthesis of long term monitoring (1997–2008)

Collas, Marc; Burgun, Vincent

doi:10.1051/kmae/2011061

Cited by 3 publications

(4 citation statements)

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“…Birds were counted when arriving at their night roosting sites at the same date every month from November to February. In this study, we focused on data collected in January, when populations were well established (Collas and Burgun ).…”

Section: Methodsmentioning

confidence: 99%

“…). The population increased in France from 4,000 in 1970 to 100,000 birds in January 2007 (Collas and Burgun ). The Meuse River has played a role of refuge, especially during severe winters, increasing the pressure of this piscivorous bird on fish communities (Paquet ).…”

Section: Introductionmentioning

confidence: 99%

“…Furthermore, since the beginning of the 1990s, the Great Cormorant (Phalacrocorax carbo) has been recorded throughout the year in the Meuse River (Paquet et al 2003). The population increased in France from 4,000 in 1970 to 100,000 birds in January 2007 (Collas and Burgun 2011). The Meuse River has played a role of refuge, especially during severe winters, increasing the pressure of this piscivorous bird on fish communities (Paquet 2011). This study exploits data from the environmental monitoring of eight sites, covering 26 yr and 427 km of the River Meuse course, with a focus on macroinvertebrate and fish communities.…”

Section: Introductionmentioning

confidence: 99%

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Long‐term trends in trait structure of riverine communities facing predation risk increase and trophic resource decline

Latli

Descy

Mondy

et al. 2017

Ecological Applications

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Many large European rivers have undergone multiple pressures that have strongly impaired ecosystem functioning at different spatial and temporal scales. Global warming and other environmental changes have favored the success of invasive species, deeply modifying the structure of aquatic communities in large rivers. Some exogenous species could alter trophic interactions within assemblages by increasing the predation risk for potential prey species (top-down effect) and limiting the dynamics of others via resource availability limitation (bottom-up effect). Furthermore, large transboundary rivers are complex aquatic ecosystems that have often been poorly investigated so that data for assessing long-term ecological trends are missing. In this study, we propose an original approach for investigating long-term combined effects of global warming, trophic resource decrease, predation risk, and water quality variations on the trait-based structure of macroinvertebrate and fish assemblages over 26 yr (1985-2011) and 427-km stretch of the river Meuse (France and Belgium). The study of temporal variations in biological, physiological, and ecological traits of macroinvertebrate and fish allowed identifying community trends and distinguishing impacts of environmental perturbations from those induced by biological alterations. We provide evidence, for this large European river, of an increase in water temperature (close to 1°C) and a decrease in phytoplankton biomass (-85%), as well as independent effects of these changes on both invertebrate and fish communities. The reduction of trophic resources in the water column by invasive molluscs has dramatically affected the density of omnivorous fish in favor of invertebrate feeders, while scrapers became the major feeding guild among invertebrates. Macroinvertebrate and fish communities have shifted from large-sized organisms with low fecundity to prolific, small-sized organisms, with early maturity, as a response to increased predation pressure.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Long‐term trends in trait structure of riverine communities facing predation risk increase and trophic resource decline

Latli

Descy

Mondy

et al. 2017

Ecological Applications

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“…В Европе большой баклан чаще всего использует плотины, маяки, линии электропередач и заброшенные суда. Такая картина наблюдается в Дании (Jepsen and Olesen, 2013), Венгрии (Szinai, 2014), Болгарии (Nikolov et al, 2014), Великобритании (Baker et al, 2010), Франции (Santoul et al, 2004;Collas and Burgun, 2011), Германии (Kieckbusch, 2014), Италии (Volponi, 1999), Латвии (Millers, 2014), Сербии (Šćiban et al, 2014), в Кандалакшском заливе Белого моря (Bianki et al, 2014).…”

Section: Introductionunclassified

Nesting of Great Cormorants (Phalacrocorax carbo) on man-made structures in Ukraine

Sidorenko

Сіохін

2016

Biosys. divers.

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In Ukraine the Great Cormorant (Phalacrocorax carbo Linnaeus, 1758) uses a rather wide range of habitats for nesting: islands, trees and shrubs, reedbeds and a variety of man-made structures. In general, the strategy of nesting on man-made structures is uncommon both in Ukraine and Europe, and Cormorantsdo this only in the absence of other sites suitable for nesting. Special research onCormorant colonies on technogenic constructions was carried out during the field expeditions by the Research Institute of Biodiversity of Terrestrial and Aquatic Ecosystems of Ukraine in 2002–2003 and 2012–2016. Besides this, we used retrospective and current data from the literature and Internet resources. Most of the field work was carried out by making surveys by boat and on foot. As a result, we found 8 Cormorant colonies on technogenic constructions in Ukraine: gas platforms in the Sea of Azov (near the village Strilkove, Henichesk district of Kherson region); sunken ships – targets for bombing training near the Arabat Spit (these are also known as «ship islands»); electricity pylons of the high-voltage Enerhodar Dnipro Power Line where it crosses the Kakhovka Reservoir; the dock in Yahorlyk Bayk, used in the past as a target for bombing training bombing; artificial island-platforms on Lake Chernine (Kinburn Peninsula); an artificial island on the Sasyk Lagoon (Odessa region); artificial islands, made as navigation markers on the Kremenchuk and Kiev reservoirs. The study found that in most cases the accompanying species was the CaspianGull (Larus cachinnans Pallas, 1811), which actively destroys the Cormorants’ nests and eats their eggs and chicks. The number of nests in the colonies varied greatly (5–30 nests on the navigation marker islands and ca. 2 000–2 300 on the «ship-islands» and gas platforms). This is due, primarily, to the area of the breeding territory. The research found that fierce territorial competition was observed in most of the colonies both with Caspian Gulls and between Cormorants. In addition, we observed anthropogenic interference in the colonies by fishermen and workers conducting routine maintenance work (as happened in the case of electricity pylons and gas platforms). The benefit of this study is that it is the first research in Ukraine conducted at national level onthis type of nesting by Cormorants. Moreover, the study examines the history of emergence of these nesting territories and population dynamics of the Great Cormorant from the time of initial settlement of the breeding sites till the present.

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Population dynamics and wintering strategies of great cormorant (Phalacrocorax carbo): what are the factors for selecting wintering sites?

Onmuş

Soydan²,

Tavares³

2022

Hydrobiologia

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Development of great cormorant population (Phalacrocorax carbo sinensis) in North-East France – synthesis of long term monitoring (1997–2008)

Cited by 3 publications

References 4 publications

Long‐term trends in trait structure of riverine communities facing predation risk increase and trophic resource decline

Long‐term trends in trait structure of riverine communities facing predation risk increase and trophic resource decline

Nesting of Great Cormorants (Phalacrocorax carbo) on man-made structures in Ukraine

Population dynamics and wintering strategies of great cormorant (Phalacrocorax carbo): what are the factors for selecting wintering sites?

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