Aleksandra Maljković

Simon Fraser University · Department of Biological Sciences

The nature of interspecific symbiotic associations is rarely as easily classified as biological textbooks might suggest. The costs and benefits that define these interactions are numerous and often context‐dependent (e.g., Cheney and Côté 2005). Nevertheless, identifying and assessing costs and benefits that are either subtle or difficult to measur...

Sharks are a diverse group of mobile predators that forage across varied spatial scales and have the potential to influence food web dynamics. The ecological consequences of recent declines in shark biomass may extend across broader geographic ranges if shark taxa display common behavioural traits. By tracking the original site of photosynthetic fi...

Indo-Pacific lionfish (Pterois volitans and P. miles) have spread swiftly across the Western Atlantic, producing a marine predator invasion of unparalleled speed and magnitude. There is growing concern that lionfish will affect the structure and function of invaded marine ecosystems, however detrimental impacts on natural communities have yet to be...

Species and size classes included in each of the four categories considered in the analysis of biomass change between 2008 and 2010 on nine coral reefs off southwest New Providence, Bahamas. Fishes of <13 cm were deemed to be potential prey based on the maximum prey size observed in lionfish stomachs at these sites. Functional group was determined...

Biological observations on three species of Scolopendra (S. morsitans L., 1758; S. subspinipes Leach, 1815; S. abnormis Lewis & Daszak, 1996) were made in the fi eld on Mauritius and Rodrigues and satellite is-lands. Data on behaviour, predators, parasites, food and the eff ect of bites are presented here. Remarks on colour variation are given. Sco...

Indo-Pacific lionfish, mainly Pterois volitans, are currently invading coral reefs throughout the Caribbean region, where they have the potential to outcompete and prey upon a wide range of native reef animals. Here, we derive the first estimates of rates of predation by lionfish from field observations on natural reefs around New Providence, Baham...

Shark feeding, as a tourist attraction, is either promoted as an economic incentive to conserve shark populations, or characterised as an activity with negative consequences for shark behaviour and human safety. Despite the intensity of the shark feeding debate, as well as the increasing popularity of shark diving, few empirical studies have examin...

Across marine ecosystems, the selective removal of large quantities of high trophic level species has been termed ‘fishing down the food web’. While the direct consequences of these fisheries are receiving much attention, the indirect impacts on the structure and functional integrity of marine communities remain far from understood. In this study,...

Industrial scale fisheries undoubtedly have negative impacts on the integrity of marine food webs. Following selective removal of large quantities of target species, many marine ecosystems now have missing, or at least functionally redundant, trophic links; a phenomenon which is frequently reflected in the Marine Trophic Index (MTI) of fish landing...

Springer-Verlag 2008 On 26 January 2008, a tiger grouper, Mycteroperca tigris (472-mm standard length [SL]), was caught off New Provi-dence (25°04.6¢¢N, 77°20.6¢¢W), Bahamas and found to contain a single red lionfish, Pterois volitans (61-mm SL) in its stomach. This observation was considered an anomaly given both the venomous nature of lionfish, a...

The conservation status of the five genera population fragmentation, invasive plants and animals, and high levels of seed predation that prevent natural and 11 species of palm endemic to the Mascarene Islands (Mauritius, La Réunion and Rodriques) are reviewed. regeneration. The advantages of in situ management for the recovery of these palm populat...