Feasibility assessment for the classical biological control of Tamarix in Argentina

Kay, Fernando Mc; Logarzo, Guillermo A.; Natale, Evangelina Sandra; Sosa, Alejandro; Walsh, Guillermo Cabrera; Pratt, Paul D.; Sodergren, Clayton J.

doi:10.1007/s10526-017-9855-3

Cited by 17 publications

(6 citation statements)

References 46 publications

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“…infestations occupy at least 360 000 ha of the western riparian zones in the USA (Nagler et al ., ). Other than the USA, Tamarix species have also invaded riparian ecosystems in México, Argentina and Australia (Mckay et al ., ).…”

Section: Introductionmentioning

confidence: 97%

Distribution and abundance of invasive Tamarix genotypes in South Africa

2019

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The exotic Tamarix chinensis and T. ramosissima, believed to have been introduced into South Africa in the early 1900s to control erosion on mine dumps, are invading riparian zones and have been proven to hybridise with T. usneoides, which is native to southern Africa. In this study, we document the abundance of invasive Tamarix genotypes in South Africa. Eleven riparian zones from the Northern, Eastern and Western Cape Provinces were surveyed. Three quadrats of 600 m 2 each were selected per site. Plant density, canopy cover and tree height were recorded to quantify invasiveness. Leaf samples were randomly collected from an average of eight individuals per site to record genotypes of the invaders. Tamarix density and canopy cover were significantly greater than those of co-occurring trees and shrubs in Olifants River in De Rust (Western Cape Province). A linear correlation between percentage Tamarix spp. cover and other cooccurring tree and shrub species showed a strong negative relationship (R 2 = 0.78). Genetic analysis showed that the Western and Eastern Cape Provinces have the highest proportion of the exotic Tamarix species and their hybrids. This suggests that these two provinces require urgent management intervention to contain the spread of the weed. The distinctions made between the native and the exotic Tamarix species and their hybrids should also facilitate the testing and future release of potential biological control agents.

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Section: Introductionmentioning

confidence: 97%

Distribution and abundance of invasive Tamarix genotypes in South Africa

2019

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“…Increasing such knowledge is important as prioritization and management of IAS in developing and developed countries may differ (Nuñez and Pauchard 2010). In this regard, developing countries such as Argentina present a flowering scientific community working on different socio-ecological aspects of biological invasions, which is reflected in the increasing number of publications in this field (e.g., Schwindt and Bortolus 2017;Kay et al 2018;Nuñez and Paritsis 2018;Urcelay et al 2019;Ballari et al 2020;Fernandez et al 2020;Huertas Herrera et al 2020). In addition, in the last six years IAS became a priority of the Argentina government through a national strategy that aims to study, control and eradicate invasive species and to improve institutional capacities to manage biological invasions (MAyDS and FAO 2019).…”

Section: Introductionmentioning

confidence: 99%

Economic impact of invasive alien species in Argentina: a first national synthesis

Duboscq-Carra¹,

Fernández²,

Haubrock³

et al. 2021

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Invasive alien species (IAS) affect natural ecosystems and services fundamental to human well-being, human health and economies. However, the economic costs associated with IAS have been less studied than other impacts. This information can be particularly important for developing countries such as Argentina, where monetary resources for invasion management are scarce and economic costs are more impactful. The present study provides the first analysis of the economic cost of IAS in Argentina at the national level, using the InvaCost database (expanded with new data sources in Spanish), the first global compilation of the reported economic costs of invasions. We analyzed the temporal development of invasions costs, distinguishing costs according to the method reliability (i.e. reproducibility of the estimation methodology) and describing the economic costs of invasions by invaded environment, cost type, activity sector affected and taxonomic group of IAS. The total economic cost of IAS in Argentina between 1995 and 2019 was estimated at US$ 6,908 million. All costs were incurred and 93% were highly reliable. The recorded costs were mainly related to terrestrial environments and the agricultural sector, with lack of costs in other sectors, making it difficult to discuss the actual distribution of invasion costs in Argentina. Nevertheless, the reported costs of IAS in this country are very high and yet likely much underestimated due to important data gaps and biases in the literature. Considering that Argentina has an underdeveloped economy, costs associated with biological invasions should be taken into consideration for preventing invasions, and to achieve a more effective use of available resources.

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“…Further, the results indicate that biological control through the Tamarix beetle Diorhabda spp is a quantifiable method to control the plant's spread and damaging effects (Richards et al, 2021);El Waer et al, 2018);Mc Kay et al, 2018). Results indicate that biological control may include successional trends using plants like box elder plants (McAlpine et al, 2021).…”

Section: Resultsmentioning

confidence: 99%